EE HAD JUST CLEANED 2 TROUGHING IDLERS. EE TOOK LOCK AND TAG OFF AND STARTED BELT TO SEE IF THE BELT WAS GOING TO TRACK, ONE OF THE ROLLERS ON THE IDLER WAS NOT TURNING, EE REACHED THE TOP ROL LER WITH HAMMER TO START IT TURNING. WHEN EE DIDHIS GLOVE WAS CAUGHT BY THE BELT AND HIS LEFT HAND WAS PULLED INTO THE ROLLER AND BELT.