In Japan, there is a tea utensil known as yuzamashi, specifically designed to cool down hot water for enjoying Gyokuro, a type of shaded green tea.
Yuzamashi are usually made of ceramic, but I designed this one in aluminium, which has good thermal conductivity.

Independent work

Production: Natsumi COMOTO, harunasugie (Flameworking)

Photography: Natsumi COMOTO