Maintaining a grapple is second nature to you.
Prerequisites
Dexterity 13, base attack bonus +6, Improved Grapple, Improved Unarmed Strike.
Benefit
You receive a +2 bonus on checks made to grapple a foe, which stacks with Improved Grapple.
While in the subordinate position in a grapple, you may Vie for Dominance as a move action.
While you are in the dominant position in a grapple, you may maintain the grapple is a move action.