oct 07, 2021 unused tmg gsg9 walk behind stump grinder . british columbia (1,719 mi away) on-site auction. chilliwack, bc, can. oct 20 -,what are the best grinders for your plants,aug 31, 2021 grinding plants increases the surface area of the plant and thus makes it easy to heat up. the larger surface area causes the plant to heat uniformly. which leads to potent vapors and a better experience when smoking the plant. a grinder is also useful as it helps one take maximum advantage of the dry plants.