INJURED WAS IN THE PROCESS OF INSTALLING A TAILPIECE GUARD. A PIECE OF BELT WAS IN THE WAY SO EE USED A UTILITY KNIFE TO ATTEMPT TO REMOVE IT. WHILE CUTTING THE BELT, THE KNIFE SLIPPED AND CUT HIS RIGHT ARM. HE WAS TREATED BY EMT'S ON THE SECTION AND TRANSPORTED TO HOSPITAL WHERE HE RECEIVED STITCHES.