| 摘要 |
PURPOSE: A relaxing mouthpiece is provided to make air more easily get out lungs when the lungs of a human body is contracted in a swing of golf and baseball and to enable a user to more accurately pronounce. CONSTITUTION: A relaxing mouthpiece opens a front part while maintaining a power coming out from a body by keeping the power forced to molar and enables a user to more easily exhale. A front side contact unit, a bottom side contact unit, and a rear side contact unit protect the molar and decrease a bad pronunciation and facilitate movement of tongue by not protecting a plurality tooth on the front side.
|
