I've never heard the term Gravity Bong and/or waterfall. What the hell are those and how do you use em?

And vaporisers get me really fuckin high.
Mr Greenthumb Reviewed by Mr Greenthumb on . what gets you higher a gravity bong (bucket thingo) or a waterfall? gettin some weed tomorrow and i wana try somethin new that will fuck me up :thumbsup: :stoned: Rating: 5