On a dark winter night in 1994, my best friend’s uncle taught me how to skin a raccoon using a short rope, two green sticks, and a knife. He emphasized getting green sticks just the right size and not cutting too shallow around the ears and eyes. He didn’t refer to it this way, but the method he used is called case or tube skinning. It requires one main cut from the back of the heel to the anus and then to the back of the opposite...