Opisy

• Purchase description: Our product quality is very good, and support no motive to return, please be at liberty to buy Tips for whistling: 1 Whistle: Screw the whistle: the upper and lower incisors must chew the whistle within the middle, do not bite obliquely, and do not use the higher and lower lips to catch the whistle 2 Blowing: Before blowing, the tip of the tongue must press the whistle, and luck will cause adequate air pressure; When blowing, open the end of your tongue and let The effect and sound effect of the quick and robust breath in the whistle may be higher if the air within the lungs and mouth abruptly flows into the whistle; Then press the tip of your tongue against the whistle three Finally, we must always train hard

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