- Joined
- Jan 21, 2013
- Messages
- 921
I've seen these before in old pictures, and while I've always understood their purpose, it turns out that I didn't really understand how they do it. Oxtoolco has an interesting video about them that I though was worth sharing.
[video=youtube_share;KETVR9qtEmY]http://youtu.be/KETVR9qtEmY[/video]
[video=youtube_share;KETVR9qtEmY]http://youtu.be/KETVR9qtEmY[/video]