README.md in callchain-0.0.1 vs README.md in callchain-0.0.2

@@ -70,9 +70,31 @@
   end
 
   CompositeCallChain.call(Object.new)
 ```
 
+## CallChain::bind
+
+```ruby
+  class WrapToI
+    extend CallChain
+    use CallChain[:to_i]
+  end
+
+  WrapToI.call('1')
+  # => 1
+```
+
+```ruby
+  class WrapToI
+    extend CallChain
+    use CallChain.bind(:+, 1)
+  end
+
+  WrapToI.call(1)
+  # => 2
+```
+
 ## Contributing
 
 1. Fork it ( http://github.com/<my-github-username>/callchain/fork )
 2. Create your feature branch (`git checkout -b my-new-feature`)
 3. Commit your changes (`git commit -am 'Add some feature'`)