Do you think it would be possible to build a kydex sheath that would retain a spyderco folder in such a w3ay that the blade was opened upon the draw? I am thinking of some sort of lip or catch that would engage the opening hole but not hinder the draw. Basically could you accomplish the same thing as a wave or ziptie with a kydex sheath?It seems doable to me but I have never worked with kydex and don't know. Maybe someone is already doing it?