Throttle: The air outlet of the flute playing, the size of the damper directly affects the quality of the flute playing and whether the pronunciation is correct.

It is oval when pronounced. It is not easy for beginners to master, but it does not need to be too tangled. It can be achieved through training.

The damper is aligned with the blowing hole, and the lower lip covers one third of the blowing hole to blow the sound. If you find that the blowing hole cannot be blown, it may be that the flute membrane is too loose.

Mouth strength: The muscle control state on both sides of the lips and around the lips. Mouth strength requires high pitch and requires repeated practice.

Mouth wind: The flow rate of the air, the air flow from the damper, the high-pitched voice is more urgent, and the low-pitched voice is slower. The practice needs to be smooth and full, regardless of the length of time.