The Zilco Endurance Crupper attaches to the crupper ring and wraps around the tail to keep the saddle from applying excessive pressure on the withers as the horse travels down steep hills. Features a seamless ''moldable'' dock that can be adjusted to custom fit the tail and holds the tail set comfortably without chafing or rubbing. No bulky stitches under your horses tai, the Endurance Crupper adjusts to fit Arabs to Full Size horses and mules. For additional cushionin, see 97-502, the Crupper Cover. Made with the patented Zilco synthetic materia, this durable crupper will not stretc, crac, fade or discolor. Maintenance free! Simply wash with warm water and soap. Zilco is a world leader in the design and production of synthetic saddlery products.