a doob-tube is a paper towel roll with downy sheets in it, and you blow the smoke through it and it will smell like you just did laundry
hempsmoker25 Reviewed by hempsmoker25 on . cant smoke inside check this out so i was lookin around and i found this http://www.pocket-smoke-filter.com/ check it out cuz i for one get lazy and wanna smoke in my room watching a movie i hate going outside and smoke or my mom complain about hot boxing the garage when it raining- hey if u were in collage u could smoke in ur dorm:thumbsup: and not get caught:smokin: just thought id help Rating: 5