A new twist on traditional style. This bit has the combined benefits of a traditional D & L Reiner shank with the advanced pinch protection of a ball hinge joint. This 3 piece ergonomic mouthpiece results in soft, even pressure across the tongue, bars and lips. The Sweet & Sour mouthpiece was designed to increase salivation to lead to a more relaxed jaw and a supple mouth. Includes a twisted copper accent along the cheek and Reinsman medallion for added style.