Ujjdwiurgh Tongue Elevation Trainer 4 Pieces Adult Swallowing Tongue Rolling Exercise Stuttering Pronunciation Oral Muscle Training

4. Enable the trainer to master the flexibility and stability of the tongue independently. 3. Training tongue muscle strength, tongue flexibility and stability. Improve tongue muscle strength and tongue coordination ability. 1. Suitable for slurred speech, stiff tongue, incomplete pronunciation, it can be used to exercise tongue flexibility. 2. Help solve problems such as children's unclear pronunciation, and the elderly who can't speak clearly. 5. Made of high quality material, safe and eco-friendly, stable and , easy to clean.