It is very popular among people who love to drink tea. Karmi Tea Canisters won a silver medal at Designpreis Deutschland 2012 in Germany. https://www.shokunin.com/en/gato/karmi.html
Kokiridashi is the brand of a small portable stove for cooking with charcoal. The material is diatomaceous earth in Ishikawa Prefecture, Japan. Please enjoy grilling by Kokiridashi. https://www.shokunin.com/en/kokiridashi/