Dy'on Rubber Reins with Seven Leather Bars - 1/2"Dy'on Rubber Reins have a core made of nylon, which is covered with a rubber layer. To give the reins a strong grip and slip resistance, they are slightly nubbed on the underside. In addition, the reins have seven leather bars to help the rider find and maintain the correct length. With a width of only 13 mm, the reins are particularly narrow and promise a comfortable hand feel. The drop shaped martingale stopper not only looks pretty, it also