![Nothing too complicated, D.I.Y Gravity bong? I had a bowl piece, but tin foil is functional if you're open to it. : r/StonerEngineering Nothing too complicated, D.I.Y Gravity bong? I had a bowl piece, but tin foil is functional if you're open to it. : r/StonerEngineering](https://preview.redd.it/0b6u8uadncr21.jpg?width=640&crop=smart&auto=webp&s=1f8ded1c402376ceaaf86d2bd724c39c408c32f5)
Nothing too complicated, D.I.Y Gravity bong? I had a bowl piece, but tin foil is functional if you're open to it. : r/StonerEngineering
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Amazon.com: The Baker Celebrations 3 inch Aluminum Foil Disposable Baking Tart Pans Mini Pie Tins - Made in USA (200): Home & Kitchen
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How to Make a Hydrogen Fireball from Aluminum Foil and Toilet Bowl Cleaner « Mad Science :: WonderHowTo
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