I have made a really ghetto waterfall bong before with a friend. We couldn't find anything to use as the bowl, so I rolled up a very small joint, and put it in the hole (it fit perfectly). I let the water out, and it pulled the smoke out real nice, actually. I was surprised when it worked--and me and my friend got really fucked up after about 6 of those.
mfqr Reviewed by mfqr on . Crazy Gravity Bongs. Bongs are cool, but I find if you're on a budget gravity bongs are way better (you get more high for less $). I've seen some crazy ass GBS in my day, my buddy has a big 3 foot tall glass cylinder that his art student friend gave him and he has 3 feet of duct-taped plastic bottles (you have to stand up to hit it :D). Me and my buddy over the summer were on a canoe trip guiding a tour group in Maine and we used to have a 2 liter bottle with the bottom cut off in our boats as the "bailer" (thing Rating: 5