EE WAS PUTTING NEW PINS INTO THE FEEDER BREAKER DRAG CHAIN. WHILE SITTING IN AN AKWARD POSITION,HE USED HIS LEFT HAND FOR SUPPORT. HE PLACED HISHAND APPROXIMATELY 2"" AWAY FROM A PIN HE WAS ATT EMPTING TO DRIVE DOWN WITH A HAMMER. WHEN HE SWUNG THE HAMMER HE HIT HIS LEFT INDEX FINGER & FRACTURED THE TIP.