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1. The overall use of copper material to build, the surface of the silver plating process, enhances the ability to resist corrosion.
2. Perform excellent polishing, so that the object's surface is bright and the overall appearance is beautiful.
3. Pull down to fix the mouth shape, increase the endurance of the mouth muscles, train the lip bite force and the concentration of the lip muscles.
4. The rubber ring is detachable and removable. Increase the friction of the mouth strength trainer to prevent it from falling off when held in the hand due to the smooth surface.
5. The force when gripping and normal training is the opposite (reaction force). Every 20 seconds can relieve the necrosis of the mouth muscles caused by too much exercise and train the endurance of the lip muscles.
Item Type: Mouthpiece TrainerMaterial: Copper and silver plating
1 x Mouthpiece Trainer

If you receive your item and find any product problems, such as damage or incorrect item quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.