"I actually love the Peugeot brand (not the cars, the other stuff they make) and they did something similar a while ago, but with a twist ; it's a solid aluminium base you first put in the freezer, so the whisky gets cooled without adding anything. I personally wouldn't bother, but here it is : https://fr.peugeot-saveurs.com/fr/les-impitoyables-set-whisky-set-de-degustation-a-whisky-38-cl.html"