Japan brewer develops unique beer glass that forces drinkers to down their suds slowly - The Mainichi
October 10, 2024 at 12:49:36 PM GMT+2 * - permalink -

- https://mainichi.jp/english/articles/20240718/p2a/00m/0li/047000c

Fire glass - Wikipedia, the free encyclopedia
June 16, 2014 at 3:49:44 PM GMT+2 * - permalink -

- https://en.wikipedia.org/wiki/Fire_glass

Wem gehört eigentlich das, was man sieht? | Telepolis
January 23, 2014 at 2:32:49 PM GMT+1 * - permalink -

- http://www.heise.de/tp/artikel/40/40813/1.html