Brennivin, the original Icelandic Schnapps and the unique Icelandic woolen sweater have kept Icelanders warm and lucid for decades. Here is a woolen sock designed to keep the Icelandic schnapps Brennivin cold or hot.
Reference:
http://www.birkiland.com/en/categories/design/kitchen-and-tabletop/brenniv-ns-sock
