Improved Grapple (Combat)
You are skilled at grappling opponents.
Prerequisite: Dex 13, Improved Unarmed Strike.
Benefit: You do not provoke an attack of opportunity when performing a grapple combat maneuver. In addition, you receive a +2 bonus on checks made to grapple a foe. You also receive a +2 bonus to your Combat Maneuver Defense whenever an opponent tries to grapple you.
Normal: You provoke an attack of opportunity when performing a grapple combat maneuver.
Endzeitgeist Says: Grappling is the most complex combat maneuver - it also is pretty efficient versus humanoid targets, but less so versus big foes, dragons, giants, etc.. Bear that in mind and consult your GM.