The coach didn't say anything, but how does it feel to be scolded?

How to play badminton well, smash, serve, basic (backhand) technique, steps, etc. Lectures on badminton (bulu tangkis, cầu lông, 羽毛球), all of the lessons! You can see it in full swing badminton 🤔

00:00 elbow
00:35 step
01:17 grip
02:10 knee