Mustang Poly Draw Rein Mustang's poly draw reins are a training aid used to help a horse maintain light contact with the bit. They are to be used with a snaffle bit and while the horse is being ridden. Black poly reins are 1/2" in width and are 16 1/2' long. Finished with brass plated scissor snaps. Features: Training aid For use with a snaffle bit Item Specifications: Materials: Poly Brass plated hardware