EE WAS HELPING LOAD A FABRICATED SECTION OF WEDGE CHUTE WHILE POSITIONING CHUTE ON 6228, HE PUT HIS HAND IN THE TOP OPENING OF THE CHUTE TO POSITION AND TURN. THE FLOP GATE PIVOTED OVER CATCHI NG INDEX AND MIDDLE FINGERS BETWEEN THE CHUTE AND FLOP GATE. MSHA REPORTABLE DUE TO RESTRICTED DUTY-FRACTURE AND SUTURES.