Neue Schule Verbindend Loose Ring, 16mm 70mm Size:6 1 2 breathable nylon mesh that fastens Size:24 Regular breathable nylon mesh that fastens securely over the bridle without obstructing your horse's vision The good news is that the Flexible Filly grazing muzzle’s limited hole size can be easily altered by horse owners for the perfect grazing opening The Neue Schule Verbindend Loose Ring greatly clarifies and emphaisises the signals through the rein thus promoting self carriage and throughness and allowing a a true outline and freedom through the shoulder to be developed so if you are a pleasure rider and simply wish to lift the forehand then this bit is a logical choice