Benefit: You can store an additional mind blade of any type that you could normally create. You can assign different special abilities to this mind blade in the same manner as you do with your primary mind blade. You can switch between your primary and secondary mind blade shapes as easily as you can materialize your primary mind blade. You can choose to materialize both the primary and secondary mind blade shapes and wield both simultaneously, but you are still limited by the number of blades you can physically hold and you take the normal penalty to the enhancement bonus for wielding two mind blades at the same time (usually -1).
Special: You can take this feat more than once. Each time you take it, you can store another mind blade shape.