Making a Kettle for Chanoyu, Wazuku Iron Kettles: Boiling Hot Water for Tea

If you break down the process of producing a kettle into precise detail, it can easily involve more than 100 individual steps and is an undertaking that requires time and patience.
After the casting is complete and has slowly cooled by annealing, the work is removed from the mold and coated with an acid wash to oxidize the surface.