Herm Sprenger Satinox Double Jointed D-Ring BitThe Herm Sprenger Satinox Double Jointed D Ring Bit offers an anatomically correct fit to optimize the communication between horse and rider. Satinox bits are ergonomically shaped and made of high quality stainless steel with a satin mouthpiece for a comfortable feel against the horse's tongue. The curved shape provides the tongue plenty of room while also distributing even pressure for direct and precise communication. The double jointed construction