These natural harness leather roping reins feature the signature feel of Martin Saddlery in which the reins feel broken-in from the moment your hands touch them. These natural harness leather roping reins feature the already broke-in signature Martin Saddlery feel. The reins have double stainless steel buckles to adjust the length as needed. The weight of the 1/2-inch rein allows your cues be evident to your horse, fostering a quicker response while standing up to daily or arena use. 1/2-inch Roping Rein.