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That happened in the States?
any materials about those?

They were a precursor of growlers. The Wikipedia entry for “growler” notes that

The term likely dates from the late 19th century when fresh beer was carried from the local pub to one's home by means of a small galvanized pail. It is claimed the sound that the carbon dioxide made when it escaped from the lid as the beer sloshed around sounded like a growl.

Also look at https://web.archive.org/web/20130120184343/http://beeradvocate.com/articles/384

In the late 1800s and early 1900s, fresh beer was carried from the local pub to one's home by means of a small-galvanized pail. Rumor has it that when the beer sloshed around the pail, it created a rumbling sound as the CO2 escaped through the lid, thus the term "growler" was coined.

Before World War II, city kids used to bring covered buckets of draft beer from a local bar or brewery to workers at lunchtime or to their parents at dinnertime, a practice called "rushing the growler."

@preparedwombat 👍cool! gonna translate it for our beer site)
And thanks for a great idea! ❤️

I also found a picture of what they looked like. Check out the small pic just above the text of this article:
https://www.glass-jug.com/growlers/

And the article itself has a bit more background.

@preparedwombat👍that's so cool!
btw any more Artifact ideas?

Ephemera like drink coasters and such? People collect beer cans and bottles from defunct brands and old pre-Prohibition signage. If folks collect stuff like that in the real world, why not in a virtual world?

@preparedwombat right on! another idea goes into GDD) ❤️❤️