Quote from Steve Forte:
"The Bee brand used to be manufactured with two finishes: rough (cambric) and smooth. The distinction refers to an extra step in the manufacturing process: .... "
Yes, he explains what he is doing the whole time ("riffle off 3 cards with your left thumb, hold a break, ...).
Furthermore he is sitting in front of a mirror, so you can see what's going on from the front and from behind.
Very good.
He teaches a lot of different techniques for riffle stacking, for example stacking from the bottom, thumb count stacking, etc...
Definitely worth buying.