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READING — GUIDE
Ashiya, Tenmyō and the Kyoto kettles. The utensil once called worth a province, sorted by origin, shape and skin.
The kettle is said to be “worth a province and a castle” — no utensil weighs more heavily in the room. Kettles divide into three great lineages: the two ancient centres of Ashiya and Tenmyō, and the Kyoto kettles that rose in the Momoyama era.
The kama sets the tone of the whole gathering, and the sound of its water — matsukaze, wind in the pines — is the tea room’s own voice.
CHIKUZEN (Fukuoka), 14th–16th c.
The great early centre. Formal shinnari bodies, a smooth “catfish skin” surface, and finely cast reliefs of pine, bamboo and plum. Most kettles designated Important Cultural Properties are Ashiya work.
Genuine old Ashiya is museum-grade; the market carries copies.
SHIMOTSUKE (Tochigi), 14th–16th c.
Ashiya’s rival and opposite: a rough, gritty cast skin and an unadorned stance. Rikyū loved its austerity — Ashiya the still, Tenmyō the restless.
Rough skin is character; learn to tell it from rust.
KYŌGAMA — Momoyama on
Casters gathered at Sanjō Kamanza in Kyoto. Rikyū’s smith Tsuji Yojirō defined the wabi kettle, and from the Edo period the Ōnishi family carried the line to the present day.
Current production is easy to find — start here for daily use.
In Rikyū’s taste
Working to Rikyū’s instructions, Tsuji Yojirō produced the amidadō and shiribari forms that became the standard shapes for everything after. Ornament stripped away to the stance itself.
“After Yojirō” copies are widely used for practice.
One of the Senke jisshoku
The hereditary kettle-makers to the Sen houses. Generations have made kettles to each grand master’s taste, and pieces with an authenticated box hold their value well.
Box inscriptions move the price considerably.
For electric hearths
Lightweight kettles designed for electric heaters, and volume-made practice kettles, are widely available now. For practical use the choice is broad and prices are reasonable.
An electric heater and a small kettle is the easiest start at home.
| Shinnari | Square shoulders tapering to the foot — the formal shape descended from Ashiya, and the highest in rank. |
|---|---|
| Amidadō | Wide mouth, round body. Easy to draw water from; the standard practice kettle. |
| Fuji | Flaring toward the foot like Mount Fuji. Notably stable. |
| Unryū | Slender and tall — for small rooms and the nakaoki setting. |
| Hira | Low and wide. The water cools quickly; suits the brazier season. |
| Tsutsu | Cylindrical. Easy to place in a tight room during the hearth season. |
| Shiribari | Swelling strongly at the base — Yojirō’s signature form. |
| Semehimo | A raised band circling the shoulder like bound cord. A formal shape. |
| Arare | Hailstone studs cast across the body. The more evenly ranked, the higher the skill. |
|---|---|
| Namazu-hada | The smooth, damp “catfish skin” that is Ashiya’s hallmark. |
| Ara-hada | The coarse, gritty surface prized in Tenmyō work. |
| Uba-guchi | A mouth that dips inward — a wabi profile much liked by tea people. |
| Kantsuki | The lugs that take the lifting rings: demon masks, distant hills, lions. |
| Jimon | Relief designs cast into the body; Ashiya’s fine work is the most admired. |
Kettles change size with the season. A ro kettle is large, roughly a shaku across; a furo kettle is smaller. Kettles that serve both exist, but a piece sized for its season simply sits better.
Kettle, brazier, hearth frame and board all have to balance in scale. The Ro & Furo page covers this in detail.
| Leak test | Fill overnight and check for seepage. Small leaks can sometimes be sealed. |
|---|---|
| Rust | Light surface rust can be tamed; deep interior corrosion cannot. Seasoned mineral scale is a virtue. |
| The bottom | Old kettles commonly have replaced bottoms — no flaw if done by a kettle-smith. |
| Lid & rings | Original lid or replacement? Confirm whether rings and trivet come with it. |
Parts and handling are covered on the kama page.
