Also (unlike martial study) Martial Stance, doesn't allow you to use the manuever learned if you have no martial adept levels. It is only useful for 'breaking into' a stance from another martial school that you wouldn't normally have access to.
I suggest we grant it a "stance pool," like a martial adept level with the language: "If you do not have martial adept levels, you can use this stance as a martial adept with an initiator level equal to 1/2 your character level. Once you choose a stance with this feat, you cannot remove, change or exchange it for a different maneuver (see the class descriptions in Chapter 1 for details on swapping out maneuvers as you gain levels)."
Either way, there is no point in the sentence: "You can chose this feat more than once." I suggest it be removed. You are better off using Martial Study if you need to fulfill prereqs.
