brenjay, I appreciate your efforts to discourage a "throwaway society" but I think your comments are misplaced. All charcoal is a one-use item. The bag that charcoal comes in is one...

love that under desk cable setup- would be cooler if the tabletop was clear!

Fire chimneys work great but I can see how this would be better. Where do you keep those dirty, ashy chimneys in your apartment or if you go to the park, do you really want to bring your dirty bag...