The AJ Tack Tom Thumb Snaffle with Roller Bit is a great training tool designed to promote relaxation and responsiveness. Featuring a 5" stainless steel snaffle mouth with a combination of copper and stainless steel rollers, this bit encourages salivation and bit acceptance. The 6 ½" stainless steel cheeks provide moderate leverage, making it a versatile option for various riding disciplines. Features: Dual Rollers: Copper and stainless steel rollers promote salivation and relaxation. Snaffle Mouthpiece: 5" stainless steel mouth encourages clear communication. Moderate Leverage: 6 ½" stainless steel cheeks provide balanced control. Durable Stainless Steel Construction: Built to last and resist rust.