The BOOMA “rein” itself is made of a durable, waterproof and flexible (bungee-like) premium polypropylene material.

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BOOMA Rein is fully adjustable (up to 36 inches) to fit any horse and any style of riding

For more aggressive riding, snap BOOMA directly to your regular reins

For recreational riding, attach BOOMA to your reins using our handy, easy-to-attach polished steel carabiner O-ring (included)