Как правильно свистеть в свисток — продвинутые сигналы

Описание: This video showcases how to produce whistle signals that require more skill than traditional simple signals. You need to use your tongue as shown, or the sound will not come out the same way as demonstrated in this video.

The whistle in the video is the Fox 40 Classic.
Fox 40 Classic Amazon link: https://amzn.to/45RsJ0F
See my review of it here:    • How to Blow into a Whistle Correctly - Adv...  
See my referee whistle test:    • World's Biggest Referee Whistle Sound Test...  

Instagram:   / refereechannel  

00:00 - All whistle signals
0:09 - Choppy
00:17 - Quick
00:25 - Wavy
00:36 - Accelerating