Best Grinder For You And Method Of Application In the good old days, our hippie forefathers just took a whole bud and shoved it in in their pipes . Or they would use their fingers to break things apart and mix them . This way messy , wasteful , and didn't give a lot of opportunity for mixing . Luckily , nowdays , Herb Grinders are widely available and come in a variety of sizes and materials . At our web , we have metal and plastic grinders . You can learn more about the best grinder for herb , the many benefits of using a weed grinder and step by step instructions on how to use a grinder here . ROTARY GRINDERS A rotary grinder's interlocaking teeth tear the herb apart evenly and then it falls through the holes into the chamber . This means potent oils and pollen aren't left sticking to your fingers . 2-pieces grinder : These are the simplest type. They do the trick , and don't have too many loose parts . 3-pieces grinder : These have a built-in screen and a chamber below to catch the finer particles and kief . 4-pieces grinder : These have a kief screen and a kief catcher , and usually come with a small scraper . That means you can get all of the trichomes out of your herb and control when and how much of them to pack in your bowl . Mini grinder : These are a great way to bring finely ground herb with you on the go , so you don't have to stuff your one-hitter with big chunks . How to use a Grinder Take off the lid , break up the large buds and put them in the grinder .Put the grinder lid back on and rotate about 10 times until shreded herb falls through the holes , and voila !