OUR EE WAS REMOVING A BORING BAR AND DRILL FROM THE MACHINE. WHEN THE DRILL WAS BEING REMOVE, IT FELL. WHEN IT REACHED THE END OF THE SAFETY CHAIN. THE EE HAD HIS LEFT HAND IN THE CHAIN. AS IT GOT TIGHT, THE END OF THE SAFETY LATCH CAME INTO HIS FINGER. 1ST ONE LEFT HAND AND IT TOOK OFF THAT FINGERTIP.