Looking for a coarse grind of your beloved dry herb? The 4-part Groove by Aerospaced grinder offers just that thanks to innovative coaxial turbine technology.
Groove by Aerospaced grinder instructions
Remove the top lid and place your dry herb on the grooves. Return the magnetic lid and twist a couple of times until you are satisfied with the grind. Open the bottom chamber for your freshly-ground herb that now is ready for use in your vaporizer.