Ascot Bio Grip ReinsAscot Bio Grip Reins Ascot Quality Bio Grip Reins with Stainless Steel fittings. The soft flexible Bio Grip with a nylon core on these reins enables the Rider to achieve a lighter feel in the hand. The added advantage is that this can be achieved without losing any grip. These reins are ideal for show jumping, eventing or general riding. They are excellent in all weather conditions. Small Pony, Pony & Full Sizes Feature a convenient Hook Stud