EMPLOYEE STATED HE WAS IN THE PROCESS OF MOVING SHIELDS ON THE LONGWALL FACE WHEN A SHIELD FAILED TO ADVANCE HE TRAVELED TO THE SHIELD AT WHICH TIME IT STARTED THROUGH ITS SECOND PULL CYCLE. A S IT MOVED, HIS LEFT FOOT SLIPPED AND BECAME CAUGHT BETWEEN THE RELAY BAR AND THE BASE OF THE SHIELD RESULTING IN THE AMPUTATION OF HIS LITTLE TOE AND A LACERATION TO HIS FOOT.