How to whistle without fingers

if you have learned Pay me a coffe here : https://www.paypal.me/hagemo92 I’m making the second part of this video. If you learn how to whistle, send me a short clip of you whisteling( even if you still can’t) and could be part of my new video. At hagemo92@gmail.com Pay me a coffe: https://www.paypal.me/hagemo92 have you always been fascinated by whistling? You never liked to put your fingers to whistle? Here is a simple guide to whistle as God commands Instagram ➜   / hagemo92   Facebook ➜   / angelo.palermo92