smokinrav

Any surface you can scrape with a blade will do. Now, start shakin. Took me an hour to collect the samples below, earliest starting at the top L and going clockwise. Its obvious how, as the bud is pulverized down, the green begins to come through. The nylon is pretty worn by this point as well, so replacing the screen every 20 minutes or so could purify things.

Attached Thumbnails