Nice transition bit for introducing the indirect control of leverage from the shank and pressure from the curb chain. Works off tongue, lips and bar pressure. Adjust headstall up to touch or one wrinkle and loosen curb to 3-4 fingers to allow gag action to work properly. This bit is in the top 5 of all of the Reinsman bits for popularity! A must have! Bit has 5" cheeks Lifetime Guarantee Made in the U.S.A.