Weaver Ken McNabb Shank Horse Bit with 7" CheeksShank bit from horse trainer Ken McNabb helps give you increased leverage to apply pressure to horse's mouth with minimal rein movement Features plain 7" cheeks for a clean, simple look Sweet iron mouthpieces are intended to rust, producing a sweet taste as rusting occurs to help promote salivation Available with your choice of three mouthpieces: 5" sweet iron snaffle mouth with copper inlay, 5" sweet iron square port mouth with copper inlay or 5"