'tis a gravity bong it is it is
LonerStoner Reviewed by LonerStoner on . EXTREMELY simple Water Bong Okay, all you need for this is - a tub full of cold water (preferably cold) - a 2 liter bottle (or bigger if you want) - Aunt Mary - Lighter - Scissors - Tin Foil - Something small in diameter to poke holes in the foil Rating: 5