The moisture meter can quickly measure the moisture content of the grain. 1. Suitable for tongue side, lifting and damping. Ideal for all ages, suitable for both children and adults. It is used to stretch the tongue bit and improve bolus control. 2. It is suitable for orthodontics, health awareness of swallowing, and other people who need to do language training. 3. I-Shape trainer suitable for the posterior alveolar appendix of the tongue to perform alternating lateral training in this and back 4. T-shaped trainer suitable for setting the front teeth of the tongue up and down or alternating training left and right. 5. C-Shape trainer suitable for alternating mouth and tongue training. Specification: Item Type: Tongue Tip Exercise Material: PP equipment Suitable for: orthodontics, health awareness of swallowing and other people who need to carry out language training; Features: I-Shape trainer suitable for the posterior alveolar appendix of the tongue to perform alternating lateral training in this and back T-shaped trainer suitable for setting the front teeth of the tongue up and down or alternating training left and right. The Type C trainer is suitable for alternating mouth and tongue training. How to use: Open your mouth and place the tip of the tongue trainer in the correct position in your mouth, gently bite it, then push the ball with your tongue from one side to the other for restoration. During the whole process, the tip of the tongue should remain in contact with the small ball holder. Repeat this 10-50 times Cleaning: rinse with warm water and wipe clean This product is a consumable. In case of damage, stop using it and replace it in a timely manner. After use, use it with an orthodontic cleaning tablet for cleaning Size: as the pictures show List of packages: 1 x I-Shape Trainer 1 x T-Shaped Trainer 1 x C-Shaped Trainer