yup ive had several but they get gummed up overheat and burn out in a year if ya usin a high resin strain first one i had was the one where ya put coffee in the top and push down on the plastic bubble lid. and the second one was nice had a hopper on top and a second plastic thing to catch the herb in the cheap coffee one ya only need to give it a couple of buzzes just hit the top for like a 1/4 second a couple of times on the nice hopper ones pick the coreset setting