just saved the tip of my thumb. Almost 4:00 on a Friday - prime time for injuries. I was cutting a groove in the edge of a board, focusing on keeping it tight to the fence. While shaving just a hair more off on a second pass, my thumb ended up being in the wrong place. Those fully buried cuts can be very unforgiving because you can't see the blade. Anyway, aside from some stinging, like I got snapped with a big rubber band, no drama. One tooth left the tiniest score line in the top layer of skin. It barely shows up on the pic as a fine white line. So, thumbs-up...