"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Cram your hard-earned Runtz in a shitty plastic grinder, crank it around a few times, hear some grinding, ...

If you smoke, toke, or otherwise ingest weed on any kind of regular basis, you know the importance of a grinder. It turns those sticky, dank nuggets of bud into fine flower that you can roll into a ...