THE INJURED EMPLOYEE WAS ASSISTING IN PULLING OUT A PIECE OF STUCK EQUIPMENT. HE WAS PULLING A LARGEW DIAMETER TOW CABLE FROM THE FOREMAN'S PICK UP. AS ONE END OF THE CHOKER PULLED FREE, IT FL IPPED AROUND PINCHING HIS THUMB AGAINST THE TAILGATE. THIS CAUSED A LACERATION AND CONTUSION TO HIS LEFT THUMB. NAIL HAD TO BE REMOVED.