diff --git a/CHANGELOG b/CHANGELOG
new file mode 100644
--- /dev/null
+++ b/CHANGELOG
@@ -0,0 +1,5 @@
+# v0.2.0.0
+
+* Change `get/modify` to `getter/modifier` to reduce naming collision, namely `get/modify` would collide with `MonadState`.
+
+* Add tuple instances up to 12 elements.
diff --git a/Data/Has.hs b/Data/Has.hs
--- a/Data/Has.hs
+++ b/Data/Has.hs
@@ -19,10 +19,10 @@
  -- in some library code
  ...
  logInAnyReaderHasLogger :: (Has Logger r, MonadReader r m) => LogString -> m ()
- logInAnyReaderHasLogger s = asks get >>= logWithLogger s
+ logInAnyReaderHasLogger s = asks getter >>= logWithLogger s
 
  queryInAnyReaderHasSQL :: (Has SqlBackEnd r, MonadReader r m) => Query -> m a
- queryInAnyReaderHasSQL q = asks get >>= queryWithSQL q
+ queryInAnyReaderHasSQL q = asks getter >>= queryWithSQL q
  ...
 
  -- now you want to use these effects together
@@ -30,7 +30,7 @@
  logger <- initLogger  ...
  sql <- initSqlBackEnd ...
 
- (`runReader` (logger, sql)) $ do
+ (\`runReader\` (logger, sql)) $ do
        ...
        logInAnyReaderHasLogger ...
        ...
@@ -68,209 +68,431 @@
 
 -- | A type class for extensible product.
 --
--- We provide instances for tuples up to 8 elements by default.
+-- We provide instances for tuples up to 12 elements by default.
 -- You can define your own instance of 'Has', but most of the time tuples will do fine.
 --
 class Has a t where
-    get :: t -> a
-    modify :: (a -> a) -> t -> t
+    getter :: t -> a
+    modifier :: (a -> a) -> t -> t
 
 instance Has a a where
-    get = id
-    {-# INLINABLE get #-}
-    modify = id
-    {-# INLINABLE modify #-}
+    getter = id
+    {-# INLINABLE getter #-}
+    modifier = id
+    {-# INLINABLE modifier #-}
 
 instance Has a (a, b) where
-    get (a, _) = a
-    {-# INLINABLE get #-}
-    modify f (a, b) = (f a, b)
-    {-# INLINABLE modify #-}
+    getter (a, _) = a
+    {-# INLINABLE getter #-}
+    modifier f (a, b) = (f a, b)
+    {-# INLINABLE modifier #-}
 instance Has b (a, b) where
-    get (_, b) = b
-    {-# INLINABLE get #-}
-    modify f (a, b) = (a, f b)
-    {-# INLINABLE modify #-}
+    getter (_, b) = b
+    {-# INLINABLE getter #-}
+    modifier f (a, b) = (a, f b)
+    {-# INLINABLE modifier #-}
 
 --------------------------------------------------------------------------------
 
 instance Has a (a, b, c) where
-    get (a, _, _) = a
-    {-# INLINABLE get #-}
-    modify f (a, b, c) = (f a, b, c)
-    {-# INLINABLE modify #-}
+    getter (a, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c) = (f a, b, c)
+    {-# INLINABLE modifier #-}
 instance Has b (a, b, c) where
-    get (_, b, _) = b
-    {-# INLINABLE get #-}
-    modify f (a, b, c) = (a, f b, c)
-    {-# INLINABLE modify #-}
+    getter (_, b, _) = b
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c) = (a, f b, c)
+    {-# INLINABLE modifier #-}
 instance Has c (a, b, c) where
-    get (_, _, c) = c
-    {-# INLINABLE get #-}
-    modify f (a, b, c) = (a, b, f c)
-    {-# INLINABLE modify #-}
+    getter (_, _, c) = c
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c) = (a, b, f c)
+    {-# INLINABLE modifier #-}
 
 --------------------------------------------------------------------------------
 
 instance Has a (a, b, c, d) where
-    get (a, _, _, _) = a
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d) = (f a, b, c, d)
-    {-# INLINABLE modify #-}
+    getter (a, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d) = (f a, b, c, d)
+    {-# INLINABLE modifier #-}
 instance Has b (a, b, c, d) where
-    get (_, b, _, _) = b
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d) = (a, f b, c, d)
-    {-# INLINABLE modify #-}
+    getter (_, b, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d) = (a, f b, c, d)
+    {-# INLINABLE modifier #-}
 instance Has c (a, b, c, d) where
-    get (_, _, c, _) = c
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d) = (a, b, f c, d)
-    {-# INLINABLE modify #-}
+    getter (_, _, c, _) = c
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d) = (a, b, f c, d)
+    {-# INLINABLE modifier #-}
 instance Has d (a, b, c, d) where
-    get (_, _, _, d) = d
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d) = (a, b, c, f d)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, d) = d
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d) = (a, b, c, f d)
+    {-# INLINABLE modifier #-}
 
 --------------------------------------------------------------------------------
 
 instance Has a (a, b, c, d, e) where
-    get (a, _, _, _, _) = a
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d, e) = (f a, b, c, d, e)
-    {-# INLINABLE modify #-}
+    getter (a, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d, e) = (f a, b, c, d, e)
+    {-# INLINABLE modifier #-}
 instance Has b (a, b, c, d, e) where
-    get (_, b, _, _, _) = b
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d, e) = (a, f b, c, d, e)
-    {-# INLINABLE modify #-}
+    getter (_, b, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d, e) = (a, f b, c, d, e)
+    {-# INLINABLE modifier #-}
 instance Has c (a, b, c, d, e) where
-    get (_, _, c, _, _) = c
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d, e) = (a, b, f c, d, e)
-    {-# INLINABLE modify #-}
+    getter (_, _, c, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d, e) = (a, b, f c, d, e)
+    {-# INLINABLE modifier #-}
 instance Has d (a, b, c, d, e) where
-    get (_, _, _, d, _) = d
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d, e) = (a, b, c, f d, e)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, d, _) = d
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d, e) = (a, b, c, f d, e)
+    {-# INLINABLE modifier #-}
 instance Has e (a, b, c, d, e) where
-    get (_, _, _, _, e) = e
-    {-# INLINABLE get #-}
-    modify f (a, b, c, d, e) = (a, b, c, d, f e)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, e) = e
+    {-# INLINABLE getter #-}
+    modifier f (a, b, c, d, e) = (a, b, c, d, f e)
+    {-# INLINABLE modifier #-}
 
 --------------------------------------------------------------------------------
 
 instance Has a (a, b, c, d, e, f) where
-    get (a, _, _, _, _, _) = a
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f) = (ff a, b, c, d, e, f)
-    {-# INLINABLE modify #-}
+    getter (a, _, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f) = (ff a, b, c, d, e, f)
+    {-# INLINABLE modifier #-}
 instance Has b (a, b, c, d, e, f) where
-    get (_, b, _, _, _, _) = b
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f) = (a, ff b, c, d, e, f)
-    {-# INLINABLE modify #-}
+    getter (_, b, _, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f) = (a, ff b, c, d, e, f)
+    {-# INLINABLE modifier #-}
 instance Has c (a, b, c, d, e, f) where
-    get (_, _, c, _, _, _) = c
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f) = (a, b, ff c, d, e, f)
-    {-# INLINABLE modify #-}
+    getter (_, _, c, _, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f) = (a, b, ff c, d, e, f)
+    {-# INLINABLE modifier #-}
 instance Has d (a, b, c, d, e, f) where
-    get (_, _, _, d, _, _) = d
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f) = (a, b, c, ff d, e, f)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, d, _, _) = d
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f) = (a, b, c, ff d, e, f)
+    {-# INLINABLE modifier #-}
 instance Has e (a, b, c, d, e, f) where
-    get (_, _, _, _, e, _) = e
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f) = (a, b, c, d, ff e, f)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, e, _) = e
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f) = (a, b, c, d, ff e, f)
+    {-# INLINABLE modifier #-}
 instance Has f (a, b, c, d, e, f) where
-    get (_, _, _, _, _, f) = f
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f) = (a, b, c, d, e, ff f)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, _, f) = f
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f) = (a, b, c, d, e, ff f)
+    {-# INLINABLE modifier #-}
 
 --------------------------------------------------------------------------------
 
 instance Has a (a, b, c, d, e, f, g) where
-    get (a, _, _, _, _, _, _) = a
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g) = (ff a, b, c, d, e, f, g)
-    {-# INLINABLE modify #-}
+    getter (a, _, _, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g) = (ff a, b, c, d, e, f, g)
+    {-# INLINABLE modifier #-}
 instance Has b (a, b, c, d, e, f, g) where
-    get (_, b, _, _, _, _, _) = b
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g) = (a, ff b, c, d, e, f, g)
-    {-# INLINABLE modify #-}
+    getter (_, b, _, _, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g) = (a, ff b, c, d, e, f, g)
+    {-# INLINABLE modifier #-}
 instance Has c (a, b, c, d, e, f, g) where
-    get (_, _, c, _, _, _, _) = c
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g) = (a, b, ff c, d, e, f, g)
-    {-# INLINABLE modify #-}
+    getter (_, _, c, _, _, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g) = (a, b, ff c, d, e, f, g)
+    {-# INLINABLE modifier #-}
 instance Has d (a, b, c, d, e, f, g) where
-    get (_, _, _, d, _, _, _) = d
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g) = (a, b, c, ff d, e, f, g)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, d, _, _, _) = d
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g) = (a, b, c, ff d, e, f, g)
+    {-# INLINABLE modifier #-}
 instance Has e (a, b, c, d, e, f, g) where
-    get (_, _, _, _, e, _, _) = e
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g) = (a, b, c, d, ff e, f, g)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, e, _, _) = e
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g) = (a, b, c, d, ff e, f, g)
+    {-# INLINABLE modifier #-}
 instance Has f (a, b, c, d, e, f, g) where
-    get (_, _, _, _, _, f, _) = f
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g) = (a, b, c, d, e, ff f, g)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, _, f, _) = f
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g) = (a, b, c, d, e, ff f, g)
+    {-# INLINABLE modifier #-}
 instance Has g (a, b, c, d, e, f, g) where
-    get (_, _, _, _, _, _, g) = g
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g) = (a, b, c, d, e, f, ff g)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, _, _, g) = g
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g) = (a, b, c, d, e, f, ff g)
+    {-# INLINABLE modifier #-}
 
 --------------------------------------------------------------------------------
 
 instance Has a (a, b, c, d, e, f, g, h) where
-    get (a, _, _, _, _, _, _, _) = a
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (ff a, b, c, d, e, f, g, h)
-    {-# INLINABLE modify #-}
+    getter (a, _, _, _, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (ff a, b, c, d, e, f, g, h)
+    {-# INLINABLE modifier #-}
 instance Has b (a, b, c, d, e, f, g, h) where
-    get (_, b, _, _, _, _, _, _) = b
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (a, ff b, c, d, e, f, g, h)
-    {-# INLINABLE modify #-}
+    getter (_, b, _, _, _, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (a, ff b, c, d, e, f, g, h)
+    {-# INLINABLE modifier #-}
 instance Has c (a, b, c, d, e, f, g, h) where
-    get (_, _, c, _, _, _, _, _) = c
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (a, b, ff c, d, e, f, g, h)
-    {-# INLINABLE modify #-}
+    getter (_, _, c, _, _, _, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (a, b, ff c, d, e, f, g, h)
+    {-# INLINABLE modifier #-}
 instance Has d (a, b, c, d, e, f, g, h) where
-    get (_, _, _, d, _, _, _, _) = d
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (a, b, c, ff d, e, f, g, h)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, d, _, _, _, _) = d
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (a, b, c, ff d, e, f, g, h)
+    {-# INLINABLE modifier #-}
 instance Has e (a, b, c, d, e, f, g, h) where
-    get (_, _, _, _, e, _, _, _) = e
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (a, b, c, d, ff e, f, g, h)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, e, _, _, _) = e
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (a, b, c, d, ff e, f, g, h)
+    {-# INLINABLE modifier #-}
 instance Has f (a, b, c, d, e, f, g, h) where
-    get (_, _, _, _, _, f, _, _) = f
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (a, b, c, d, e, ff f, g, h)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, _, f, _, _) = f
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (a, b, c, d, e, ff f, g, h)
+    {-# INLINABLE modifier #-}
 instance Has g (a, b, c, d, e, f, g, h) where
-    get (_, _, _, _, _, _, g, _) = g
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (a, b, c, d, e, f, ff g, h)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, _, _, g, _) = g
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (a, b, c, d, e, f, ff g, h)
+    {-# INLINABLE modifier #-}
 instance Has h (a, b, c, d, e, f, g, h) where
-    get (_, _, _, _, _, _, _, h) = h
-    {-# INLINABLE get #-}
-    modify ff (a, b, c, d, e, f, g, h) = (a, b, c, d, e, f, g, ff h)
-    {-# INLINABLE modify #-}
+    getter (_, _, _, _, _, _, _, h) = h
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h) = (a, b, c, d, e, f, g, ff h)
+    {-# INLINABLE modifier #-}
+
+--------------------------------------------------------------------------------
+
+instance Has a (a, b, c, d, e, f, g, h, i) where
+    getter (a, _, _, _, _, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (ff a, b, c, d, e, f, g, h, i)
+    {-# INLINABLE modifier #-}
+instance Has b (a, b, c, d, e, f, g, h, i) where
+    getter (_, b, _, _, _, _, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, ff b, c, d, e, f, g, h, i)
+    {-# INLINABLE modifier #-}
+instance Has c (a, b, c, d, e, f, g, h, i) where
+    getter (_, _, c, _, _, _, _, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, b, ff c, d, e, f, g, h, i)
+    {-# INLINABLE modifier #-}
+instance Has d (a, b, c, d, e, f, g, h, i) where
+    getter (_, _, _, d, _, _, _, _, _) = d
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, b, c, ff d, e, f, g, h, i)
+    {-# INLINABLE modifier #-}
+instance Has e (a, b, c, d, e, f, g, h, i) where
+    getter (_, _, _, _, e, _, _, _, _) = e
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, b, c, d, ff e, f, g, h, i)
+    {-# INLINABLE modifier #-}
+instance Has f (a, b, c, d, e, f, g, h, i) where
+    getter (_, _, _, _, _, f, _, _, _) = f
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, b, c, d, e, ff f, g, h, i)
+    {-# INLINABLE modifier #-}
+instance Has g (a, b, c, d, e, f, g, h, i) where
+    getter (_, _, _, _, _, _, g, _, _) = g
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, b, c, d, e, f, ff g, h, i)
+    {-# INLINABLE modifier #-}
+instance Has h (a, b, c, d, e, f, g, h, i) where
+    getter (_, _, _, _, _, _, _, h, _) = h
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, b, c, d, e, f, g, ff h, i)
+    {-# INLINABLE modifier #-}
+instance Has i (a, b, c, d, e, f, g, h, i) where
+    getter (_, _, _, _, _, _, _, _, i) = i
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i) = (a, b, c, d, e, f, g, h, ff i)
+    {-# INLINABLE modifier #-}
+
+--------------------------------------------------------------------------------
+
+instance Has a (a, b, c, d, e, f, g, h, i, j) where
+    getter (a, _, _, _, _, _, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (ff a, b, c, d, e, f, g, h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has b (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, b, _, _, _, _, _, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, ff b, c, d, e, f, g, h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has c (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, c, _, _, _, _, _, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, ff c, d, e, f, g, h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has d (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, _, d, _, _, _, _, _, _) = d
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, c, ff d, e, f, g, h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has e (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, _, _, e, _, _, _, _, _) = e
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, c, d, ff e, f, g, h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has f (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, _, _, _, f, _, _, _, _) = f
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, c, d, e, ff f, g, h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has g (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, _, _, _, _, g, _, _, _) = g
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, c, d, e, f, ff g, h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has h (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, _, _, _, _, _, h, _, _) = h
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, c, d, e, f, g, ff h, i, j)
+    {-# INLINABLE modifier #-}
+instance Has i (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, _, _, _, _, _, _, i, _) = i
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, c, d, e, f, g, h, ff i, j)
+    {-# INLINABLE modifier #-}
+instance Has j (a, b, c, d, e, f, g, h, i, j) where
+    getter (_, _, _, _, _, _, _, _, _, j) = j
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j) = (a, b, c, d, e, f, g, h, i, ff j)
+    {-# INLINABLE modifier #-}
+
+--------------------------------------------------------------------------------
+
+instance Has a (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (a, _, _, _, _, _, _, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (ff a, b, c, d, e, f, g, h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has b (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, b, _, _, _, _, _, _, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, ff b, c, d, e, f, g, h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has c (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, c, _, _, _, _, _, _, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, ff c, d, e, f, g, h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has d (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, d, _, _, _, _, _, _, _) = d
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, ff d, e, f, g, h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has e (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, _, e, _, _, _, _, _, _) = e
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, d, ff e, f, g, h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has f (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, _, _, f, _, _, _, _, _) = f
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, d, e, ff f, g, h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has g (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, _, _, _, g, _, _, _, _) = g
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, d, e, f, ff g, h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has h (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, _, _, _, _, h, _, _, _) = h
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, d, e, f, g, ff h, i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has i (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, _, _, _, _, _, i, _, _) = i
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, d, e, f, g, h, ff i, j, k)
+    {-# INLINABLE modifier #-}
+instance Has j (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, _, _, _, _, _, _, j, _) = j
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, d, e, f, g, h, i, ff j, k)
+    {-# INLINABLE modifier #-}
+instance Has k (a, b, c, d, e, f, g, h, i, j, k) where
+    getter (_, _, _, _, _, _, _, _, _, _, k) = k
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k) = (a, b, c, d, e, f, g, h, i, j, ff k)
+    {-# INLINABLE modifier #-}
+
+--------------------------------------------------------------------------------
+
+instance Has a (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (a, _, _, _, _, _, _, _, _, _, _, _) = a
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (ff a, b, c, d, e, f, g, h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has b (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, b, _, _, _, _, _, _, _, _, _, _) = b
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, ff b, c, d, e, f, g, h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has c (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, c, _, _, _, _, _, _, _, _, _) = c
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, ff c, d, e, f, g, h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has d (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, d, _, _, _, _, _, _, _, _) = d
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, ff d, e, f, g, h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has e (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, e, _, _, _, _, _, _, _) = e
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, ff e, f, g, h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has f (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, _, f, _, _, _, _, _, _) = f
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, e, ff f, g, h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has g (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, _, _, g, _, _, _, _, _) = g
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, e, f, ff g, h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has h (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, _, _, _, h, _, _, _, _) = h
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, e, f, g, ff h, i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has i (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, _, _, _, _, i, _, _, _) = i
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, e, f, g, h, ff i, j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has j (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, _, _, _, _, _, j, _, _) = j
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, e, f, g, h, i, ff j, k, l)
+    {-# INLINABLE modifier #-}
+instance Has k (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, _, _, _, _, _, _, k, _) = k
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, e, f, g, h, i, j, ff k, l)
+    {-# INLINABLE modifier #-}
+instance Has l (a, b, c, d, e, f, g, h, i, j, k, l) where
+    getter (_, _, _, _, _, _, _, _, _, _, _, l) = l
+    {-# INLINABLE getter #-}
+    modifier ff (a, b, c, d, e, f, g, h, i, j, k, l) = (a, b, c, d, e, f, g, h, i, j, k, ff l)
+    {-# INLINABLE modifier #-}
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -12,10 +12,10 @@
  -- in some library code
  ...
  logInAnyReaderHasLogger :: (Has Logger r, MonadReader r m) => LogString -> m ()
- logInAnyReaderHasLogger s = asks get >>= logWithLogger s
+ logInAnyReaderHasLogger s = asks getter >>= logWithLogger s
 
  queryInAnyReaderHasSQL :: (Has SqlBackEnd r, MonadReader r m) => Query -> m a
- queryInAnyReaderHasSQL q = asks get >>= queryWithSQL q
+ queryInAnyReaderHasSQL q = asks getter >>= queryWithSQL q
  ...
 
  -- now you want to use these effects together
diff --git a/data-has.cabal b/data-has.cabal
--- a/data-has.cabal
+++ b/data-has.cabal
@@ -1,5 +1,5 @@
 name:                data-has
-version:             0.1.0.0
+version:             0.2.0.0
 synopsis:            Simple extensible product
 description:         Simple extensible product
 license:             BSD3
@@ -9,7 +9,7 @@
 -- copyright:           
 category:            Data
 build-type:          Simple
-extra-source-files:  README.md
+extra-source-files:  README.md, CHANGELOG
 cabal-version:       >=1.10
 homepage:           https://github.com/winterland1989/data-has
 
