VICTIM WAS ROOF BOLTING IN THE PROJECTED @2 ROOM BELT ENTRY OF 2ND RIGHT BUTT RETURN SIDE WHILE INSTALLING A 42"" ROOF BOLT VICTIM WAS PUSHING BOLT INTO ROOF AND THE BOLT BEND HE LOWER HEAD OF BOLTER ATTEMTED TO STAIGHTEN BOLT AND WENT TO PUSH BOLT INTO ROOF AND CAUGHT FINGER.