Remove the broad back shell: Hold the base of the crab with one hand and its back shell with the other. Lift off the shell. This will remove most of the visera.
Discard the top shell and remove the remaining visera in the chest cavity by sliding a finger or spoon down the centre. Remove the gills by sliding your finger along the base of them. Rinse the crab thoroughly under cool running water to wash away all remaining visera.
Grasp the crab in both hands and break it in half. Separate the legs from each other leaving a portion of the body connected to each for easy handling.
Crack the shell of each leg with a small meat mallet or nut cracker. or use kitchen shears to cut through the shell. Break back the shell to expose the meat. Remove the meat using the tip of a leg or a small pick or fork.
To remove meat from claws. Break each from leg joint and crack. Break off small pincer by pulling it back and out. Use a pick to remove meat from shell.