Duo D-Ring Bit Size:4 3/4" Use of a curb chain

Use of a curb chain guard is recommended to protect the sensitive lower jaw bone

While this whistle is barely audible to humans

Limited Edition Color

you should also take the head circumference into account when choosing the right size

Duo D-Ring Bit Size:4 3/4" Use of a curb chainVery gentle on the horses mouth made of soft, flexible plastic Can be used as straight bar or bar with space for the tongue Mouthpiece is reinforced with a steel cable Food safe, solvent free, and contains no plasticizers The lateral contact helps horses that tend to fall out while riding or approaching an obstacle Allows direct pressure transmission on the tongue and lower jaw due to the fixed mouthpiece Available in 4 3 4", 5 1 8", and 5 1 2"