The exclusive, patented Weaver Equine Miracle Horse Cribbing Collar stops cribbing in seconds! Its unique, effective design is guaranteed to stop horses of all ages, breeds and disciplines from cribbing or your money back. With over ten years on the market and thousands of satisfied users, the Miracle Collar is one of the best anti-cribbing devices available. It's carefully handcrafted from top-quality harness leather for weather resistance, strength and gentleness to the hair coat. The collar's anatomically-correct fit applies pressure only when your horse attempts to crib so it can be worn while eating, drinking or grazing. Specially-designed with a unique shape, the Miracle Collar stays in place for maximum effectiveness. It comes with non-rust stainless steel hardware for durable performance. It also includes easy-to-follow directions. U.S. patents #5,343,829 and #5,460,125. The medium size fits large ponies and average size horses.