Master Grapple (3.5e Feat)
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Master Grapple [General]
Your are expert at grappling and can even turn your opponents failed attempts against him.
Benefit: You gain a further +4 on grapple checks that stacks with Improved Grapple. In addition, at any time that someone misses you with an unarmed strike (including a melee touch attack), you may take an immediate action to start a grapple.
Normal: You can only start a grapple on your own turn.