German Martingale Reins are the perfect match with any other brand German martingale as well. These training reins are available in web rein material. Reins have a center buckle, buckle bit ends, and stainless steel hardware for durability. These reins attach to your bit like regular reins but are used with the German martingale. The forks of the martingale go through the bit rings then the snap ends are attached to any of the rings on the reins. This occasional training device encourages the horse to give at the poll and to flex.