Product name: Small mouth strength exerciser

Color: silver

Material: Brass

Scope of application: Beginner trumpet, practice

Packing List: Small Mouth Strength Exerciser

Selling point: Made of brass, good wear resistance. The surface is nickel-plated to increase the service life of the product. Improve the anti-corrosion ability, make the surface of the object bright and beautiful. Small and delicate. Can be used anytime, anywhere to practice. How to use: According to the principle of mouth mouth and breath forward, lips concentrated, and mouth closed, avoid pulling the corners of the lips and mouth, practice the gums, the teeth are close, the teeth are aligned, the lips are parallel, and the mouth shape and breath are corrected while practicing the mouth strength. At the same time, practice mouth strength and fix mouth shape. Use both ends, one is pulling, to exercise lip bite force and lip muscle strength. One end is like holding a pencil, holding it for 10-20 seconds at a time. exercise lip muscle endurance