• Function: Suitable for the side of the tongue, lifting and suppression. Perfect for all ages, both children and adults. Used to stretch the lingual frenulum and improve bolus control. • Application: Ideal for orthodontics, swallowing health awareness, and other people who need to perform tongue training. • I-shaped trainer: Suitable for the posterior alveolar position of the tongue to perform alternative lateral forward and backward training. • T-shaped trainer: Suitable for the position of the front teeth of the tongue for up and down or left and right alternate training. • C-shaped trainer: Suitable for alternatively training the mouth and tongue. • Specifications: Condition: 100% new. Item type: Tongue tip exercise. Material: PP + Hardware. Dimensions: 1 cm x 1 cm x 1 cm. Weight: 0.041 kg. • Instructions for use: Open your mouth and place the tip of your tongue trainer in the corresponding position in your mouth, bite gently, and then push the ball with your tongue from side to side to restore it. The tip of the tongue should remain in contact with the small ball support throughout the process. Repeat this action between 10 and 50 times. • Cleaning: Rinse with warm water and wipe. After use, use an orthodontic cleaning tablet to clean. • Notes: This product is consumable. In case of damage, stop using it and replace it in time.