EE WAS HELPING THE ELECTRICIAN INSTALL THE RUB RAIL ON THE CONTINUOUS MINER. THE PRY BAR THEY WERE USING SLIPPED CAUSING THE RUB RAIL TO SLIDE DOWN AND CAUGHT THE INJURED EE'S 3RD LEFT FINGER. THE INJURY CAUSED A FRACTURE TO THE FINGER AND THE EE IS WORKING WITH THE FINGER IN A SPLINT.