Your damage reduction can turn the force of blows back on your enemies.
Benefit: Whenever an opponent that is adjacent to you fails to penetrate your DR with a melee attack, you can spend an immediate action to attempt a bull rush combat maneuver against that opponent. If you succeed, you cannot move with the opponent.
Pathfinder Roleplaying Game Ultimate Combat. © 2011, Paizo Publishing, LLC; Authors: Jason Bulmahn, Tim Hitchcock, Colin McComb, Rob McCreary, Jason Nelson, Stephen Radney-MacFarland, Sean K Reynolds, Owen K.C. Stephens, and Russ Taylor.