Mar 05, 2019· A quality weed grinder is an essential smoke stash accessory. Grinders break down buds in a way that makes for a more even and potent smoke. They also passively collect kief —a concentrate you can sprinkle on top of your bud for an extra kick or collect and press into are a lot of grinders out there to choose from, but these are the 10 best grinders on the market.