yes it's awesome!!!
Loved mine until someone walked away with it. Guess they didn't want to pay that tax and duty on it. I'll tell you one thing, when I order another I'll order a few!
What are we talking about here? Some kind of clip for a chalkbox?
I use a Rocket Anchor.
http://www.rocketanchor.com/
A little more versatile in where you can use it.
check out the clamps face book page and you will see he is a real carpenter just like you guy's