Chairbreaker
Prerequisite(s): Catch Off-Guard, base attack bonus +1.
Benefit(s): When you attack a target with an improvised weapon, you can give that weapon the broken condition to deal 1d4 points of additional damage on that attack.
Additionally, you gain a +4 bonus on the roll to confirm a critical hit with this attack. If you confirm the crit, the extra damage granted by this feat is also multiplied and the improvised weapon is destroyed.