Myler Black Steel Seven Shank Low Port MB 04 Copper Roller 89-13465. Upgrade your communication with the Myler Black Steel Seven Shank Low Port MB 04 with Copper Roller designed for riders seeking gentle tongue relief and precision. Similar to the MB 02_ the MB 04 offers rotation on the tongue and applies light pressure_ but its small port provides just enough tongue relief to allow your horse to swallow and move his tongue freely when relaxed. This creates a natural reward system_ encouraging forward movement and a more comfortable ride.~@~@Crafted with a curved... - Myler Black Steel Seven Shank Low Port MB 04 Copper Roller 89-13465. | 
