Harry's Horse Mullen mouth eggbutt Sweet Iron

Harry's Horse Mullen mouth eggbutt Sweet Iron
Sweet Iron curved schooling bit. Thickness: 12mm; ring: 70mm Made from stainless steel with Sweet Iron mouthpiece.
When in contact with (air) humidity, Sweet Iron develops surface rust. The sweet taste of this surface rust stimulates the production of saliva in a natural way, which leads to a better acceptance of the bit.