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This video showcases how to properly blow into a whistle. By using the tongue as shown you will get a straight and sharp sound. Doing this correctly will make a whistle sound consistent and professional.
See part 2 with advanced whistle signals: • How to Blow into a Whi...
The whistle in the video is the Molten Valkeen. See my review of it here: • Molten Valkeen Review ...
See my referee whistle test: • World's Biggest Refere...
Molten Valkeen: amzn.to/3ZqYBpd
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