Weaver S Shank Horse Bit with 7" CheeksS shank bit helps give you increased leverage to apply pressure to horse's mouth with minimal rein movement Features 7" cheeks with simple engraving Select mouthpieces feature sweet iron that's intended to rust, producing a sweet taste as rusting occurs to help promote salivation Available with your choice of three mouthpieces: 5" sweet iron ported mouth with copper cricket and inlay, 5" sweet iron snaffle mouth with copper inlay or 5" copper