THE INJURED WAS INSTALLING 14' LONG X 6"" WIDE METAL ROOF STRAPS IN CONJUNCTION WITH ROOF BOLTS. HE WAS PULLING A STRAP FROM THE STORAGE LOCATION ON THE ROOF BOLTING MACHINE AND CAUGHT HIS LEFT RING FINGER BETWEEN THE MACHINE'S CANOPY AND THE STRAP. THIS CAUSED A LACERATION WHICH REQUIRED SUTURES. HE WAS WEARING GLOVES.