CannaSystems GUST document. Overview of the R-2 Hemp Stalk Processing System. We’ve designed, developed, and built the R-2 Hemp Stalk Processing System: a self-contained, portable, modular, high-performance farm machine which produces industrial materials for manufacturing. Through bootstrapping and word of mouth, we have built a full-scale demonstration unit, received over 340 direct sales enquiries, with 1000 newsletter subscribers from around the world, over 10,000 LinkedIn followers and thousands of website visitors.