A joint rolling machine, or an automatic pre-roll machine, takes the frustration out of rolling mishaps and improves rolling efficiency. In our expert opinion, OCB, Zig Zag, and RAW make the absolute best joint rolling machines on the market. All three companies are big names for a reason - they create some of  the highest quality smoking products in the world. All three brand’s automatic pre-roll machines are top of the line and easy to use for everyone from novices to connoisseurs.