You have studied wolves' skill at bringing down prey.

Prerequisite: Wis 15, Improved Unarmed Strike, Wolf Style, Knowledge (nature) 6 ranks.

Benefit: You gain a +2 bonus on all combat maneuver checks to trip as part of an attack of opportunity. While using Wolf Style, whenever you successfully trip a creature, as a free action you may choose an available square adjacent to you for the tripped creature to land prone in.