EE WAS INSTALLING A PIN IN THE OUTBY RIB TAIL HOLE.HE WAS HOLDING THE PIN WITH HIS RIGHT HAND & STRIKING THE PIN WITH A #3 FLEXCO HAMMER. HIS RIGHT LITTLE FINGER WAS BETWEEN THE PIN AND FRAME OF THE CONT. MINER WHEN HE HIT THE PIN WITH THE HAMMER CAUSING IT TO STRIKE HIS FINGER FRACTURING IT.