h a l f b a k e r y
Naturally, seismology provides the answer.
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Basically a Hacky Sack (see link) with a pipe embedded in it. It would have a cap and a refillable lighter up the shaft along the pipe.
Now the pipe can be passed, thrown, kicked, or played with ease. A heavy smoking session can turn into a game of hot potato!
basics [Around TUIT, Oct 04 2004]