Aime Imports Westen SS Dogbone Twisted Sweet Six Bit TWISTED WIRE - Great for training your horse to respond to light cues CURB CHAIN - Adjustable clips. Helps train your horse to stop on the lightest of cues. DOG BONE - The bone is perfect to add to any horse. Now the bit is unable to collapse on the horses tongue. The dog bone allows each side of the bit to move freely and providing a more clear cue to your horse. MOUTH - 5 1/8" CHEEKS - 3"