You put away weapons quickly and seamlessly, allowing you to perform the iaijutsu strike more than once per round.

Base attack bonus +6, Cha 13, Iaijutsu Strike, Improved Iaijutsu Strike

You may sheath a weapon as a free action. You may use iaijutsu strike as part of a full attack action (but not pounce or charge), and you may use iaijutsu strike more than once per round.

It is a move action to sheath a weapon. You may only use iaijutsu strike as a standard action and once per round.