Dang, you guys are making my skin crawl! I'd be in big trouble if I had finger damage like some of you since I happen to play trumpet and piano as well. (yeah, call me a sissy and I'll pop you one.) As much as I use power tools (mostly construction) it's a wonder I haven't sliced anything seriously yet, and my only real 'scars and damages' stories are from my faded youth, and not worth bragging about here.
But I do have the honor of felling a tree onto a friend! I even told the guy to get up where we were, but he refused, thinking he was in the clear. When that tree came down right at him, he hid behind another tree, but it was so skinny, the falling tree clipped him on both shoulders at the same time. We decided he had been dubbed "Sir Knowsbetternow."