Gandalf's smoke rings and fireworks! Yeah I really wanna see those.
Perhaps by labling pipe as "magic steam inhaler" can make the whole thing less stressful to developers.
The item should be versatile. For example, a puff of Zillemivir prevents your avatar from flu; and of course you can put mari.... I mean "Purple flower", in it too.
@desdemona- that's over-the-top enough to not really be that big a deal, but smoking is a nonstarter for a lot of people, politically. Besides, no-no has near-instantaneous consequences.