Hey anyone knows of any sources where i can learn this effect: Magician takes a line of thread and slowly swallows it. After a while, the ends of the thread comes out of his eye and when u pull on the thread, the thread can be seen retracting into the mouth and finally being pulled out totally.

If im not wrong there are quite a few variations on this kind of effects, may i know where can i learn them?

if you are wondering what is he talking about this is the link for the video. http://www.waynehouchin.com/ then video then thread

Did Criss Angel perform this? I think it's a Wayne Houchin creation. I don't know it's released or marketed though.

I believe you can find variations (like David Blaine's thread from stomach, Criss Angels' needles from stomach) in Swami/Mantra.