A different fave of prepping blue crabs will be to dunk them inside of a bucket of ice water for approximately 5 - 10 minutes. It puts them to slumber and anesthetizes them. We use rubber gloves to rip from the backs and it kills them instantaneously. Spot the crab https://frozen-crabs91976.blogaritma.com/30708826/everything-about-crabs-lice-bites