string tension in badminton racket

2:49

3:31

2:23

1:55

2:43

30:11

3:04

11:00

2:26

27:08

2:27

13:03

5:00

35:26

5:23

کوتاه

1:22

کوتاه

کوتاه

11:28

1:21

1:09:17

8:37

2:01

1:22:42

9:23

2:09

7:53

5:45

2:34

15:49

کوتاه

9:00

3:42

7:10

2:46

11:22

12:00

16:00

1:10