Apollo13
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I haven't done it. But I saw on a show where two girls took string and soaked it in alcohol. Then wrapped about 4 times on very bottom of beer bottle. Then they lite it, let it burn a few, and plunged it in water, results were... bottom pops off like magic, a perfect bho tube. Just sand sharp edges of glass. I however have not thought of the butane end yet except using the metal cap and removing all rubber seal. But I'm sure all brain power on here could come up with a better top. I have a big tube but am very prone to breaking it being high, it's glass and cold. Any thoughts? Be nice to make a tube quick instead of mason jar in emergency situations. Lol
