Myler Flat Shank with Sweet Iron Mullen Barrel MB 32 5"Myler Stainless Steel 7" Flat Shank, MB 32 Mullen Barrel,Level 2 The MB 32 is a Myler alternative to the traditional mullen. It is curved more than a traditional mullen, giving more room for the horses tongue under the bit. Sweet iron mouthpiece oxidizes and encourages salivation. Independent Side Movement Sweet Iron Mouthpiece Curved mouthpiece does not pinch lips and bars Copper Inlay Notes: Popular with riders who are more comfortable with a