Butcher live crabs preparatory to canning.
What does a Crab Butcher do?
Butchers live crabs preparatory to canning: Grips crab with both hands and impales it on stationary spike. Twists, pulls, and detaches crab body from back, leaving back on knife. Wipes off gills and viscera and tosses crab body in vat of water. Pulls crab back from knife and discards it.