Bombers 3 Ring Gag Square TwistBombers 3 Ring Gag Square Twist with 5 mouth and 6 shank The Snaffle bit has a curved mouthpiece to distributes pressure more evenly over tongue and bars. The offset centre link will reduce nutcraker action and pressure points on the tongue. Lastly, the Square Twist will create more pressure points on the mouthpiece which will make it stronger than the Round Twist and Smooth