Best Herb Grinder of 2020- Manual & Electric Weed Grinders
May 11, 2020· The Otto Grinder is an Electric Grinder that can adjust the grind automatically based on the type of material being used. It works excellent for spliffs (the herb slides directly into a cone), but your vaporizer will love it too because of how evenly it grinds any type of herb. Overall, the Banana Bros OTTO is the best automatic weed grinder of ...