Quoting Spaztastic the Diabolical
Do you have any horizontal hinge pieces? Erhm. You know, the thing that has something that looks like a 1x2, but has a cavity in the top where you can put that hinged flat 1x2 or 2x2 in. Um. Frakk. Have someone else tell you what I mean if you don't know.

Quoting Mark Kelso

Sorry...we'd love to help, but you'll have to be more specific about what you're wanting here.

Quoting Jake H.
I'm pretty sure he's talking about these. http://www.bricklink.com/store.asp?p=Unhalfbricking