Put Hagishikun in your mouth before sleep to protect your teeth from grinding and clenching. Immerse in hot water and place on the back teeth. After biting down, Hagishikun customizes to your mouth for a natural fit.
Because Hagishikun is only on the bottom teeth, breathing is not inhibited.
The Dukes Saraie Walking Mouth is a mouth exercise device. Attach it to the lower back teeth and chew to promote saliva and strengthen the mouth and cheek muscles. It is a great tool for balancing out the left and right sides of the face and body.
Dorakon Mouth is a special mouthpiece for golfers.