thread tension adjustment

12:08

8:51

5:35

7:26

17:09

21:26

00:42

12:31

8:22

2:31

7:44

4:35

5:38

6:00

1:56

4:40

5:41

3:35

8:09

12:51

5:25

7:21

11:28

13:11

5:50

2:02

10:01

6:45

7:37

5:57

00:32

6:35

3:16

11:18

3:39

00:53

3:47

17:44

00:59

00:45

3:40

4:15

9:44

3:10

3:04

16:01

2:26

10:03

3:45

4:30

27:51

46:07

3:49

9:51

3:41

00:27

5:31

3:23

7:08

12:10