simple ass water bottle bong type thing-- lay bottle on its side the long way, burn a whole on the bottom on top, getta piece of foil punch holes in that make a makeshift little bowl and place that over the top of your hole, make another slightly smaller hole to put ur finger over air it out, and voila u gotta ghetto ass bong

might not be that good for your lungs, but fuck it, ive done it hundreds of times....