Reversal

 
Prerequisite(s): None
 
Benefit: When grappling, if your opponent succeeds in a grapple check with you to cause damage or pin you, you can immediately attempt a second opposed grapple check. If you succeed on the second check, your opponent doesn’t cause damage or pin you, and you pin your opponent instead. You may only use this feat on opponents who are no more than one size larger than you.
 
Source: Beyond Monks