Stir clockwise with a rolling pin for a while so that the mud on the lobster will probably wash down.
3 change water
Cut off the feet and whiskers with scissors, and put the cut ones in a container.
Hold the lobster's back (so that its clip won't pinch you) and brush it one by one with a brush.
Then pull off your tail and cut off your mouth in front of your head.
6 clear water washing