The Henri de Rivel Advantage Breastplate Draw Reins are used in schooling sessions and for the green horse learning to move forward while maintaining bit contact. The Henri de Rivel Advantage Breastplate Draw Reins - Full Leather with Breastplate Snap included allows for easy attachment and removal. Made with high quality stainless steel hardware, our leather draw reins are made to last and easy to use. HDR riding saddles and leather goods are expertly designed with unmatched craftsmanship and attention to detail.