Neue Schule Turtle Tactio + Flex Beval Ring BitThis innovation is brilliant for the over active busy mouth that chomps and chews on the mouthpiece. The Beval ring gives rein and cheek piece attachment options in a neat package but whatever option you choose the mouthpiece remains in constant relative alignment to the tongue. The flattened underside of the cannons with their anatomy inspired recesses are held parallel to the tongue whatever riding activity you enjoy and for whatever rein tension