We just have a board with a nail stuck all the way through slam the head onto it and make it stick. make a cut Then you take a needle nose and pull the skin off.
Speaking of eel I love me some eelpout
That's exactly the way I used to do them at home, but at the River my Dad was quicker his way, and he could get one done in the time it took for his sinker to stop bouncing & settle down for the next Catty to bite.
Bear