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plastic capes are superior.
Cloth ones like the Mezcos with wire inside them are mostly just display pieces, because that shit gets annoying fast with how weighted it is.
Stuff like OP's looks cheap as fuck. It's like felt.
The One Punchman figure in this thread has a nice cape, if somewhat disjointed.
The rubbery kind are the best. Holds a dynamic shape and is flexible enough to give way when needed.