You punish those who think you are distracted.
Benefit: If a foe makes an attack of opportunity against you that misses, it provokes an attack of opportunity from you. You can only use this attack of opportunity to make a special shield bash. (You can use an attack of opportunity gained from the Shield Check feat for this special shield bash.) This acts as a shield bash, but you use your base attack bonus –5 to make the attack, ignoring penalties for fighting with two weapons and off-hand penalties.