Sacred Cat Gravity Bong | Design Series - Pulsar Vaporizers
Stündenglass Gravity Bong - World of Bongs
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Thoughts on my design? It's a reusable, reversible waterfall bong, so that you don't have to refill it every time. Would it work? : r/StonerEngineering
Thoughts on my design? It's a reusable, reversible waterfall bong, so that you don't have to refill it every time. Would it work? : r/StonerEngineering