For petes sake dude.

OK:

Roach, cardboard some other kind of stiff but manageable piece of paper. note, it cannot be a normal piece of paper, it has to be something that doesn't light easy.
This is used to keep the end you smoke open, so you don't try and suck really hard to get a hit, and it prevents small bits of tobacco and weed going in your mouth.

Rizla: most commonly used make of rolling paper in the UK. with this, you buy a bag of tobacco and use the paper to go around the tobacco so you can smoke it, this is basically a cheaper alternative than buying cigarettes.....