Just a guess, but they would try to say (and probably succeed in US courts) that it is that ever popular "drug paraphenalia" moniker would be applied to whatever you were using regardless of presence of actual weed. If nothing else than the fact that bongs or water pipes are commonly used with marijuana.

Not that this would be right, but more than likely true.
Mingles Reviewed by Mingles on . Fighting Back In The Drug War Here's an idea I thought I'd throw out to anyone interested in fighting back in the drug war. Buy a new bong, but don't smoke any weed out of it (so as not to get any resin on the bong). Also, buy some pipe tobacco or salvia or some other legal smoke. Now drive through your town decked out in pothead clothes. I'm thinking tie-dye pot leaf shirts and everything. Make sure you are 100% not stoned. Just cruise with your buddies smoking the stuff (if it's salvia or something make sure the Rating: 5