У вашего броузера проблема в совместимости с HTML5
Proper way of gripping Badminton grip like Lee Chong Wei.
If you just want to see the gripping, skip to 1:45 :)
Please give me a like, if it was helpful!
Grip: Yonex super grap ac 102
Racket: Yonex Arcsaber 11
If you have any questions feel free to ask them!