Several years ago, when I first learned to stencil (and my stencil tutorial was tops at Craftster.org), I tried to make a bleach pen stencil.
The subject: Robert Rodriguez (cult filmmaker and author of one of my top three books of all time Rebel Without a Crew – read it if you like filmmaking)
The material: cheapo Wal-m@rt fabric. Probably poly-cotton.
The result: Bleachy with a chance of bleeding
The reason I thought of this is because over at Chezlin, someone tried to do a bleach stencil, and it was a bomb. (The picture was a bomb, and the technique also bombed).
Bonus points if you know what the image is from!