I learned the hard way on a few pics back. I was using a havalon piranha knife on that bob tailed coon & slipped off when pulling the hide down. Then struck my thumb with the blade & cut my thumbs tendon. After surgery I wound up with that cast. I will never make my money back from trapping now. Lol & I don't use scalpel knives for skinning anymore. Lol I just use pocket knives.
Those are some really sharp knives. I like to use them when skinning the feet out on animal hides that I'm going to tan. It works really well on the small areas and cutting the tendons but I guess you know that better than anyone.