ns bits turtle tilt with flex 16mm loose ring 55mm no colorThe Loose Ring is our uncomplicated tried and trusted cheek. No matter what your rein tension the mouthpiece alignment to the mouth remains unchanged. The flattened underside of the FlexZ cannons with their anatomy inspired recesses are held parallel to the tongue whatever riding activity you enjoy. This innovation is brilliant for the over active busy mouth that chomps and chews on the mouthpiece. Turtle Top with Flex keeps the mouthpiece centred and