EE WAS USING A 2 LB. SLEDGE HAMMER TO GET THE TAIL PULLEY OUT OF THE VARIABLE SPEED BELT. THE END CAME OFF THE HAMMER AND THE MOMENTUM CAUSED HIS FINGER TO HIT THE END OF THE TAIL PULLEY. THE MIDDLE FINGER OF HIS RIGHT HAND WAS MASHED & LACERACTED. IT REQUIRED 3 STITCHES.