with 39 posts, don't take this wrong, but you seem like the newfag who is shitting up the bread. How can you possibly be researching if you've made almost 40 posts here and clearly can't even read half the posts you're responding to. How is that research? Explain to all of us here, right now. We'll wait.
They're called "Keists" They're for carrying souls.
Ah, so that's where you came from. Figures.