Canter Y Shaped Havana Hunting BreastplateAn elegantly crafted hunting breastplate by Canter A hunting breastplate keeps the saddle from slipping backward. It is commonly used in show jumping, eventing, or for rounder shaped horses. It can also be used to attach a martingale. A martingale prevents horses from raising their head too high. When attached to the breastplate, it serves a dual purpose.