Speaking of nail less.
About 15 years ago, the family and a friend of ours all went camping/ fishing at a lake up by Marcell, Mn. We'd fished until about 2100 hrs the evening before and did well on Walleye. Nice pristine lake, rarely fished and nobody else on the lake but us.
My dad got up about 0530 hrs, and decided to go plug for bass by himself , because nobody else was up. We'd just beached his tri-hull boat the evening before and shut off the lights.
So dad wanted to remove the stern stem light, and reached around with his right hand on the stem and his left hand down by the receptacle. You know that little keyway that aligns the stem? Well, when dad pulled it out it took his left thumbnail all the way back to the top of his thumb, but didn't come off!! Just standing straight up!! All of the sudden everybody in camp was awake, and there was a blue haze over the lake, from the explatives he voiced when it happened!
He had to reel with his index and second finger the rest of the weekend, and of course we asked him to help fillet all the fish, with his one good hand. He wacked that thumb several times that weekend, just in camp. I offered to pull it off for him a couple times. About two days later he pulled it off with a pair of pliers. My step mother said there was another blue haze in the bathroom when he pulled it off also. LOL