How do you use a zig zag roll?

How do you use a zig zag roll?

https://www.youtube.com/watch?v=ynawubhtJxI

How do you use a cigarette top roller?

https://www.youtube.com/watch?v=uugsvZ0gEuw

How do you roll smoke with a roller?

https://www.youtube.com/watch?v=nZWE6Ax1s30

How do you use a cigarette tube filling machine?

https://www.youtube.com/watch?v=bWIOV4lRLrk