Greater Drag
Combat
Foes that you drag are thrown out of balance.
Prerequisite: Str 13, Improved Drag, Power Attack, base attack bonus +6.
Benefit: You receive a +2 bonus on checks made to drag a foe. This bonus stacks with the bonus granted by Improved Drag. Whenever you drag a foe, his movement provokes attacks of opportunity from all of your allies (but not you).
Normal: Creatures moved by drag do not provoke attacks of opportunity.
Source: Advanced Player's Guide
