one of my 1st jobs as a teenager was working in my friend's father's fish market.
i was loading the tank with a fresh shipment of bugs when i pulled out a giant 3+ lbs lobster without any bands on it. i held the critter in my left hand while looking for the bander; thats when i felt his claw.
the claw (his crusher-claw no less) felt like a pair of giant vice-grips on my finger. a second or two later he let go. my finger was swollen for a couple hours and a little bruised, but it was fine by then next day.
sure it hurts, but unless you're attacked by some freak-of-nature 10-pounder you wont suffer any permanent damage.
unless of course, you're
this guy