Yeah,like boots vs trail runners, hiking poles vs no poles or innies vs outies, using beer cans for cooking pots is one of those "undeniable mysteries."

At least my contacting Heineken directly led to them notifying a certain alcohol stovemaker to discontinue selling cookpots made with their cans.

What individual hikers do with the information is up to them. At least they have been warned.

Eat drink and be merry, (Using Heineken cans) for tomorrow we die.
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We don't stop hiking because we grow old, we grow old because we stop hiking. Finis Mitchell