Eggbutt Snaffle Bit The Eggbutt snaffle bit is mild and won't pinch the horse's lips. The mouth piece does not rotate around the ring. This bit features a 3 inch rings. except for the 4 which has 2 inch rings. All have an 11 mm mouth. All our Bits are High Quality German or Stainless Steel made by Coronet or Korsteel. Size: 4 (will have a 2 inch ring), 4 1/2, 4 3/4, 5, 5 1/4, 5 1/2, 5 3/4, 6, 6 1/2.