1Portable and Robust: Mouth strength trainer features premium metal and removable rubber rings for erosion resistance and long lasting use. Its compact size allows for convenient on the go training. 2Accurate Muscle Training: Enhance instrument proficiency through targeted muscle self training. Helps correct mouth shape and breathing for better performance. Suitable for various brass and woodwind instruments. 3Optimal Design: Accuracy craftsmanship ensures practicality, durability, and easy portability. Use both ends of the device to exercise bite and lip muscle concentration. Each session is like holding a pencil for 10 to 20 seconds. 4Explore Your Potential: Improve lip muscle endurance, practice mouth strength, and restoring mouth shape with embouchure trainer. Enhance your musical abilities and enjoy playing your favorite instruments. 5Ideal Replacement: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the exercising experience 1 xEmbouchure Trainer