OG Chillums are classic smoke accessories. These discreet one hitters make it is easy to go to concerts, sporting events and still have your smoke session, unbeknownst to anyone else. It's easy to clean these smoke pipes by boiling them, immersing them in isopropyl alcohol or running a pipe cleaner through them. To use them, just pack the shallow end of the pipe and light it like you would a joint. This 5-pack of one hitters is a great deal.