You have experienced many battles against wild animals and vicious monsters that fight with claws and fangs. You’ve learned a few special moves that allow you to cripple a creature’s natural attacks.
Benefit: When fighting a creature of Large or greater size that fights with natural weapons, such as claws, a bite attack, or a bludgeoning tail, you may choose to partially cripple one of those attacks. When you score a critical hit against such a creature, you may choose to inflict a -4 penalty to one of the creature’s natural attacks and a -2 to its damage rather than deal extra damage. This penalty lasts until the creature is healed to its maximum hit points.
Undefeatable: The Collected Feats Sourcebook, Copyright 2009 – 2010, Louis Porter Jr. Design, Inc. Undefeated, Copyright 2011, Louis Porter Jr. Design, Inc.