Jump'in High Port Roller Full Cheek BitWe love this bit for the super unique mouthpiece that is perfect for horses with active and playful mouths. Features 50 mm large rings and a standard 17 mm mouthpiece made of German Silver. The high port mouthpiece is great for horses with low palates and horses who try to get their tongue over the bit. In combination with the rollers on the mouthpiece, this bit is ideal for horses with busy mouths. The full cheek gives gentle aids to help turn the