I've read you can just yank a claw or leg off and toss them back and they'll grow a new one. If I kept pullin them up it seems like a dick move but I think I'd pop off one claw and toss them back. The claw had a bunch of meat in it.
Of course you have to rip the pincher off a pissed off crab on a kayak while it has the other one so there's that
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