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Edo Sashimono
(Wood Joinery)

16 Edo Sashimono (Wood Joinery)
Main Areas of Manufacture
Taito Ward, Arakawa Ward, Koto Ward
Designation/Certification Dates
August 1st, 1983 (Tokyo Certification)
May 14th, 1997 (National Certification)
Traditional Technologies and Techniques
  1. Furniture joinery techniques used in the production of Edo Sashimono include hagitsugi (butted joints), hashibame (tongue and groove joints), hirauchitsugi (flat braid joints), kumitetsugi (box joints) and tometsugi (wedge joints).
  2. The jointing of furniture frames involves aikakitsugi (halving joints), hozotsugi (tenon joints) and tometsugi (wedge joints).
  3. When Edo Sashimono is lacquered, the following techniques are used:
    • Fuki-urushi: Raw lacquer is rubbed into the wood with a cotton cloth or brush and immediately wiped off before hardening. Repetition results in a coating that protects and strengthens the wood and highlights the beauty of its grain.
    • Roiro-nuri: A polishing technique giving a high gloss. It is carried out by rubbing with a very fine abrasive such as pulverized deer horn applied to a cloth moistened with lacquer.
    • Nuritate: A technique of applying a finishing coat of lacquer and allowing it to harden without subsequent polishing.
    • Mehajiki-nuri: The application of lacquer to open-grained wood like Paulownia or Zelkova in such a manner that it is repelled by the grain, which thus remains visible.
    If decorated, techniques such as maki-e (sprinkled pictures) and raden (mother-of-pearl inlays) are used.
Traditionally Used Raw Materials
The following types of wood are used in the manufacture of Edo Sashimono: Mulberry, Zelkova, Paulownia and Cypress. Other timbers with similar properties may also be used.・
Natural lacquers are used.
History and Characteristics

"Sashimono" is a term derived from the traditional practice of using a woodwork ruler (or a "monosashi" in Japanese) to carefully measure timber materials in order to create box-shaped items of furniture, such being equipped with precise-fitting lids and drawers.

In Kyoto, the "sashimono" tradition enjoys a very long history, it being possible to trace the associated joinery skills back to the court culture of the Heian Period (approx. 794-1185). In those days, such furniture was made by hand by carpenters. The "sashimono" skills of dedicated "sashimonoshi" (specialized furniture joiners) evolved from the Muromachi Period (1337-1573) onwards, as furniture such as shelving, chests of drawers and desks all saw greater usage in samurai households. Furthermore, in accordance with the development of the tea-ceremony culture, it is said there was an increased demand for box-shaped items of furniture such as "sashimono". Thus, the craft of the "sashimonoshi" diverged from the carpentry profession along with a number of other artisan trades including "toshoji" (craftsmen of doors and shoji screens), "kudenshimiyashi" (craftsmen specializing in temple and shrine work) and "himonoshi" or "magemonoshi" (craftsmen of bentwood products).

In Kyoto, "sashimono" developed into furniture that was used within the imperial court and among the aristocracy, as well as being used within the context of the tea ceremony. It was also loved as a genre whose designs touched on matters of elegance and simplicity.

By contrast, Edo Sashimono saw service with samurai families such as those of the Shogun and of the various daimyo (the feudal lords). Furthermore, much "sashimono" was made for the merchant class that rose from the middle of the Edo Period (1603-1868), and also for the use of Edo's Kabuki actors (in the form of theatrical chests).

The true spirit of craftsmen can be felt in Edo Sashimono in a number of ways. Firstly, there is the use of timbers with beautiful grains such as Mulberry, Zelkova and Paulownia, etc. Secondly, there is the skillful use of techniques even in locations that cannot be seen. Thirdly, there is an almost total absence of nails in the construction of "sashimono".

Behind the "sashimono" skills summarized as the arts of cutting, planing, sealing and carving, it is possible to feel the uniqueness of the craftsmen.

In that timber, derived from a living organism is what is used in the production of Edo Sashimono, the variety of unique adjectives such as "hardness," "sweetness," "dullness," "subtleness," "well-rounded," and "raw," etc., that could be used to describe the timber might be said to tell a story in themselves.

Contact Details
Manufacturing Area
Cooperative Name
Edo Sashimono Cooperative Association
Address2-44-10 Higashinippori, Arakawa Ward , Tokyo
116-0014
Telephone No.03 (3801) 4676
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