Items that give an advantage or being able to set a new pose for your tori to start off the match.
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Also changing the shape of your tori in anymod. It was cool in minibash but would be horrible if in aikido it would be two different shaped people.
those are entirely fan made and will probably not happen, ontop of that would it change literally nothing gameplay wise, even the textures would look the same.
cant believe people still think thats a thing.