My nemesis is my bench grinder. I use it a lot,especially the wire-brush,and it always manages to take SOMETHING away from me and throw it clear into the twilight zone.
My half inch drill runs a close second;it's an old,heavy right angle one with about a horse and a half motor and really low gearing. If the bit,or hole saw,or whatever,happened to catch,it'd drag me around and around until either I got it shut off or it wound up its cord and unplugged itself. I finally found a momentary switch that fits in place of the toggle switch and is convenient to hold down while drilling. IT shuts off as soon as I let go of the handle-works great.
Speed


1954 GMC 350
1957 GMC 1/2 ton
1962 Chevy C-30
1952 Chevy 6400 dump bed project truck
'98 Harley FLSTC
'66 Pontiac Catalina
'76 Chevy 1 ton Duallie
'84 Bronco II
'78 Dodge W-200
'81 Toyota 4X4 truck