Create Opportunity

 
Prerequisite(s): Dex 15+, Combat Reflexes, Base Attack Bonus 3+
 
Benefit: In lieu of ALL your attacks of opportunity for one round, you may make a single attack of opportunity against a target who moves more than 5' through your threatened area in a manner that does not normally provoke an attack of opportunity (Tumble skill, Spring Attack feat).
 
Source: Net Book of Feats