Sorry to hear it. If it makes you feel any better, I had a drill with a wire wheel get loose from me last summer while I was stripping the underside of the car. I had it locked on and it ran up under my shorts while running.
Left quite the scar.
68' Firebird 400 convertible, numbers matching, solar red w/ deluxe parchment interior. 66' Pontiac Ventura Hardtop 66' Pontiac Catalina Convertible