Stubben Steeltec EZ Control Loose RingFunctions as a snaffle with light rein pressure. Has a rigid effect and functions as a mullen mouth when pressure is increased. Acts on the lips, tongue and bars. Excellent training bit with light snaffle effects changing to increased tongue pressure of the mullen mouth. Horses that tend to get strong are corrected by a change of pressure points in the mouth. Thickness: 16mm Ring size: 70mm