EASY TO USE: Use both ends, pull one end to work on lip biting strength and concentration of lip muscle strength. MATERIAL: The mouth strength trainer is made of brass material with a removable rubber ring for durability. PRACTICAL: The Mouth Strength Trainer builds lip muscle endurance and also exercises mouth strength and fixes the shape of the mouth, correcting breathing... Package List:1 x Embouchure Training DeviceNote:0.1 to 0.2cm Error in Manual Measurement Small size and easy to carry, you can practice anytime and anywhere, easily blowing a powerful sound. Embouchure Trainer, Mouthpiece Mouth Strength Training Trombone Mouth Organ Personal Embouchure Training Device, Mouth Strength Trainer Brass Clarinet AFTER-SALES SERVICE: our mouth strength trainer is brand new, if you have any questions about our products, you can contact us at any time, we will provide you with sincere service. Xtra Speed Scale LiPo Battery Voltage Checker w/Alarm (2S/3S) – Rc-Volt Hold it like a pencil for 10-20 seconds at a time.
