Toklat Black Steel Seven Shank with Copper Inlay Bit 89-13425. Myler Black Steel 7inch Seven Shank_ MB 41PB Correctional Ported Barrel_ Level 2-3~@~@The MB 41PB is a truly unique Myler mouthpiece. This mouthpiece is a correctional mouthpiece_ a ported mouthpiece that collapses onto the outer lip and bars and rotates onto the tongue. The port has a tiered design; the base is generously wide with rounded corners_ offering virtually the same comfort and tongue relief of a Level 3 mouthpiece_ while the top is narrower and has pronounced corners. If the horse is... - Toklat Black Steel Seven Shank with Copper Inlay Bit 89-13425. | 
