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