Sabre Suregrip Rubber Lined Dressage Reins in Black. The Sabre Suregrip Rubber Lined Dressage Reins are leather reins with a rubber lining and are suitable for all disciplines. The Suregrip Reins feature 'Equus' English grips on the inside of the reins for optimum grip without the bulk. The Suregrip Reins also feature hookstud fastenings and stainless steel fittings. 5/8 wide. Pony - 48 (128cm). Full - 54 (135cm) long.