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Because Go bowls have a curved surface, large pieces of raden inlay can sometimes lift or detach. To prevent this, each shell was carefully cut into smaller pieces and applied one by one, like a puzzle.
Additionally, small gaps were intentionally left between the shell pieces to create a sense of rhythm and avoid a flat or monotonous appearance.
The areas where finely crushed shell pieces are sprinkled were created by first layering coarser shell fragments, then carefully filling in the gaps with smaller pieces.
After applying lacquer and placing the shell pieces, multiple layers of lacquer were added over them until the thickness of the shell was fully covered. The surface was then polished down to reveal a smooth finish.
This meticulous process results in a beautifully contoured silhouette, a glossy sheen, and a silky texture.
The interior of both the bowl and its lid is finished with vermilion urushi lacquer, creating a striking contrast with the deep black exterior, further enhancing the overall beauty of the piece.
This specially commissioned work was crafted to enrich your Go experience, making it even more enjoyable and refined.
Please refer to the images for details.
Each bowl can hold Go stones up to size 34.

Urushi(lacquer) Artist "Mutsumi Oitate"
Born in Kyoto Prefecture in 1982,
Mutsumi Oitate discovered the profound depth, versatility, and allure of urushi (Japanese lacquer) during her time at an art high school, which inspired her to pursue a career as a lacquer artist.
She began her professional artistic career in 2010.
Her work includes creating vessels and accessories that combine traditional techniques such as maki-e (gold and silver lacquer decoration), raden (mother-of-pearl inlay), and urushi painting. She has exhibited in various traditional craft and sencha (Japanese tea ceremony) art exhibitions.
She also engages in outreach activities, such as holding “kintsugi” (golden joinery) workshops, to introduce people to the beauty of urushi.


It is often said that in urushi (lacquer) art, “the only things it cannot coat are water and air,” reflecting its incredible versatility. While the process is labor-intensive, it allows for an endless range of expression depending on the artisan’s vision.
She strives to create lacquerware that brings warmth to daily life—pieces that stir the heart and gently bring a smile to one’s face when held in the hands.

Profile of Urushi(lacquer) Artist Mutsumi Oitate
Born in 1982 in Kyoto Prefecture
2000 – Graduated from the Department of Urushi Art, Kyoto City Doda Senior High School of Arts and Crafts
2002 – Graduated from the Department of Industrial Design, Takaoka Junior College
2004 – Completed the Advanced Course in the same department
2009 – Completed the Kyoto City Traditional Industry Technician Training Program, Urushi Specialization Course

Awards and Exhibitions
2009 – Participated in group exhibition “Urushi Kabure-ten” at Gallery Kyo
2012 – Uruoi Urushi Exhibition, President’s Award from the Chamber of Commerce
2013 – Uruoi Urushi Exhibition, Encouragement Award
2014 – Uruoi Urushi Exhibition, Kyoto Urushi Association Award
2014 – Selected for Japan Sencha Craft Exhibition
2015 – Selected for Geibun Kyo Exhibition
2015 – Japan Sencha Craft Exhibition, All Japan Senchado Federation Award
2016 – Uruoi Urushi Exhibition, Kyoto Mayor’s Award
2016 – Japan Sencha Craft Exhibition, Liberal Democratic Party President’s Award
2017–Present – Regular exhibitor at Japan Sencha Craft Exhibition
2018 – Japan Sencha Craft Exhibition, Japan Sencha Craft Association Award
2019 – Uruoi Urushi Exhibition, Kyoto Mayor’s Award
2022 – Selected for Japan Traditional Urushi Art Exhibition
2023 – Selected for Japan Traditional Craft Kinki Exhibition
2023 – Participated in Four-Person Sencha Craft Exhibition at Asahido
2024 – Selected for Japan Traditional Craft Kinki Exhibition
2024 – Japan Sencha Craft Exhibition, Kyoto Governor’s Award
2024 – Participated in Five-Person Sencha Craft Exhibition at Asahido
2024 – Selected for Japan Traditional Urushi Art Exhibition
2025 – Selected for Japan Traditional Craft Kinki Exhibition

• Extra-Large Go Bowls with Mosaic Raden Inlay by Urushi Artist Mutsumi Oitate
  Go Bowls：Wood craftsman "Kai-shi (懐志)" made "Keyaki / Zelkova" Go bowls
  Product No.：RDGK-OT-34-506-01
  *Each bowl can hold Go stones up to size 34.


• 1,000 JPY flat rate shipping within Japan, free shipping for purchases totaling 20,000 JPY or more.
  Please bear the actual cost for shipping charges outside Japan.

You may find small knots, burrs, rolled-in bark as all these products are made of natural trees.
There may be some small flaw or scratch, dent, chipping.