The cuff is made of grey canvas. Inside the canvas envelope is the rubber cuff. There are two rubber tubes coming out of one corner of the cuff. These tubes have been cut off at the cuff end. One end of the cuff there is a silver metal latch, connected to a metal bar that is sewn into the cuff end. On the underside of the opposite end from the latch are thirteen metal rods sewn into the cuff. Also on the underside is a sewn leather tab and a patch reading Original Erkameter.