Hilitand Trumpet Mouthpiece for Trumpet Practice Beginners Silver Plated Brass TR-08

---------------------------------------------------------------------- The entire body is made of copper, and the surface is silver plated to increase corrosion resistance. Pull it down to fix the shape of your mouth, increase the endurance of your oral muscles, train your lip biting power, and improve the concentration of your lip muscles. The force you apply when squeezing is the opposite of the force you apply during normal training (reaction force). Every 20 seconds, it relieves necrosis of the orbicularis oris muscle due to over-exercise and increases the endurance of the orbicularis oris muscle. The rubber band is removable and can be put on and taken off. It increases the friction of the oral force exerciser and has a smooth surface when held in the hand, making it difficult to fall off. The excellent polishing process gives the object a glossy surface and enhances its overall appearance. Contents: Mouthpiece x 1