Water Filtered gravity bong failed attempt #1. Anyone else care to give it a try? Detail in comments. : r/StonerEngineering
My buddy decided to make a makeshift gravity bong for the night. : r/StonerEngineering
It's been a while since I hit the gravity bong : r/StonerEngineering
Behold the waterless gravity bong. Simply pull the bag from inside. : r/StonerEngineering
Glass gravity bong : r/StonerEngineering
Gravity bong with an IKEA jar and a coke bottle : r/StonerEngineering
A waterfall bong my husband made : r/StonerEngineering
My first homemade tool, a gravity bong! How'd I do? : r/StonerEngineering
For those of you who don't know about gravity bongs : r/saplings
Our most recent creation “Glass Gravity Bong” : r/StonerEngineering
Glass gravity bong i made! : r/StonerEngineering
Knock off studenglass gravity bong : r/chinaglass
My homemade glass gravity bong. : r/StonerEngineering
Homemade gravity bong : r/CTblaze
Gravity bong hit : r/trees
Has anyone made a functional glass gravity bong? : r/StonerEngineering
Do yourselves a favor and make a Gravity Bong, 100% efficiency and you only need a pinch of bud + it's super easy to make! : r/StonerEngineering
![The first rip out of the new gravity bong we made [10] : r/trees](https://external-preview.redd.it/zzaM9VNUrtifm5B4EXMo0mybJNSuKwM-Qpo-sII05Ag.jpg?auto=webp&s=54b5b3ff40c7c9a0281cba3fd8c22ba34977a1f7 "The first rip out of the new gravity bong we made [10] : r/trees")
The first rip out of the new gravity bong we made [10] : r/trees
GravityBong
made a gravity bong last night : r/trees
Gravity bong : r/trees
How to make a gravity bong : r/StonerEngineering
Waterfall : r/StonerEngineering
Whatdya guys think of my gravity bong?? : r/StonerEngineering
