One Sunday night about 8 years ago I was machining some piece of aluminum on my mill. The cutter was running but I had the work piece out and was running my left index fingernail along the machined surface checking it out. Went a little too far back and the cutter grabbed the nail and put 3 cuts through the nail just that fast. Hurt because it got pinched more than anything. Bled for a little bit and quit. Decided I was NOT going to an ER on a Sunday night for that, but I still needed to do something with it. There was the nail base and 3 cut parts hinged on the left side. I didn't want to remove those as it would hurt worse.
So...
I pushed them down, tacked them in place with CA, then found some clear plastic sheet and formed it to the shape of the nail. Trimmed the plastic, and super glued the heck out of the tip over and around the nail. Didn't look all that bad and it quit hurting in short order. I could even tap the tip on the bench top (click, click) The clear plastic let me see to make sure it didn't get infected. I just kept trimming it back as the nail grew back out and had no real trouble with it. It was a pain in the butt at the time it happened though. My little doc gal said that it looked and sounded like an excellent solution. (she saw it a week later wen I went in for something else) She also said they would have removed the nail pieces. That would have hurt, glad I did what I did.