The Classic Equine Les Vogt 7-1/2" Shank Dogbone Snaffle Gag Bit features unlimited gag slide action with medium-high lift leverage that gives you speed control, rate, and lateral body posture control at high performance levels. This bit will give you respect without fear and is a game changer for many horses. The mouthpiece is designed with a 1/4" Square with a copper roller covered dogbone.