NONDK 3 x Silver Mouthpiece for Saxophone Horn Trombone Accessories

They are used, a tug, exercise, lip, lip, muscle strength and concentrate. Holding a pencil, clamp 10-20 seconds. Muscle endurance exercise for the lips.Oral strength exercises with trombone, French and saxophone are applied. Trumpet mouthpiece trainer, according to the mouthpiece and forward breathing, concentrated lips, the wind, avoid external lips, extraction exercises, gums, teeth, teeth are aligned parallel to the lips, while the correction force exercises and breath at the same time, exercise the fixed lips. [Exercise Strength]: Helps exercise your strength to play the trumpet or other musical instrument.