how to fix a floating shelf

2:27

7:28

5:34

11:42

13:06

13:55

17:19

4:44

15:06

14:05

6:26

4:00

16:54

5:52

14:33

18:51

5:11

7:38

18:14

4:20

2:12

3:43

12:50

5:06

7:08

5:03

1:31

12:24

1:33

16:05

10:56

10:39

6:06

4:12

15:35

33:27

13:48

4:57

5:28

3:18

1:44

3:30

6:00

4:41

13:46

00:32

3:29

6:16

9:36

6:42

4:44

1:45

18:13

4:45

3:19

3:57

5:15

11:25

1:01

10:54