{"product_id":"602-begb-01-ろくろ木工伝統工芸士-美栄-びえい-製作-ブラッククラロ-ウォールナット碁笥-大-杢入り-30号-gkbc-mr30-512-01f","title":"602-BEGB-01 Traditional craftsman Biei made Black Claro Walnut Go Bowls Large Burl Figure (Kobu-moku) for size 25 - 30 Go stones GKBC-MR30-512-01F","description":"This is a pair of large Black Claro Walnut Go bowls with burl figure (kobu-moku) crafted by Traditional Craftsman Biei, designed for Go stones up to size 30.\u003cbr\u003e\n\u003cstrong\u003eAmong figured woods, this piece is made from the exceptionally rare burl figure (kobu-moku), making it truly outstanding.\u003c\/strong\u003e\u003cbr\u003e\n\u003cbr\u003e\nThese beautiful Go bowls are created using lathe woodcraft techniques refined over more than 50 years of experience.\u003cbr\u003e\nBlack Claro Walnut is a rare North American walnut known for producing especially striking figured grain.\u003cbr\u003e\nIts intricate stripes and flowing, undulating patterns vary from piece to piece—truly a work of art shaped by nature.\u003cbr\u003e\nCompared to standard walnut, it displays stronger color contrast, ranging from deep chocolate brown to purplish dark brown tones.\u003cbr\u003e\nThe three-dimensional figuring that emerges depending on the light adds a refined visual accent to the quiet tension of the Go board.\u003cbr\u003e\nWith balanced hardness and stability, these bowls are fully practical for everyday play while also possessing a strong presence as display pieces.\u003cbr\u003e\nWith continued use, the surface gains greater luster and the tones deepen into a richer, more subdued character.\u003cbr\u003e\nNo two grain patterns are ever the same—each piece is truly one of a kind.\u003cbr\u003e\nThese are special Go bowls that allow you to experience the joy of true ownership.\u003cbr\u003e\n\u003cbr\u003e\nThese Go bowls feature burl figure (kobu-moku) throughout, making them a highly rare and valuable piece.\u003cbr\u003e\n*There are several repaired cracks.\u003cbr\u003e\n*Please refer to the photos for details.\u003cbr\u003e\n*This Go Bowl is for Go stones up to size 30.\u003cbr\u003e\n*A copy of the Traditional Craftsman certification is included.\u003cbr\u003e\n\u003cbr\u003e\n\n\n\n\u003cdiv class=\"Collapsible Collapsible--large\"\u003e\n\u003cbutton class=\"Collapsible__Button Heading u-h6\" data-action=\"toggle-collapsible\"\u003e\n\u003cspan\u003eAbout Black Claro Walnut Wood\u003c\/span\u003e\n\u003cspan class=\"Collapsible__Plus\"\u003e\u003c\/span\u003e\n\u003c\/button\u003e\n\u003cdiv class=\"Collapsible__Inner\"\u003e\n\u003cdiv class=\"Collapsible__Content\"\u003e\n\nBlack Claro Walnut is a rare North American hardwood highly valued in premium fields such as luxury automobile interiors, single-slab furniture, fine crafts made from select timber, and fountain pens. It is beloved by artisans around the world for its beauty and character.\u003cbr\u003e\nAlthough it is a walnut tree that produces edible nuts, like common walnut, Black Claro Walnut differs in that it is created through intentional grafting rather than occurring purely in nature.\u003cbr\u003e\nIt is obtained from the grafted or hybridized junction between Claro walnut and English walnut trees.\u003cbr\u003e\nWood taken especially from the root area and around the graft union often develops extremely complex and decorative figuring due to internal stresses and growth conditions.\u003cbr\u003e\nOriginally cultivated to produce nutrient-rich walnuts, the wood itself gained high value because of its exceptional beauty.\u003cbr\u003e\nSince grafted trees have a relatively low survival rate and are difficult to grow into large mature trees, thick and long pieces of Claro walnut lumber are particularly rare.\u003cbr\u003e\n\u003cbr\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/GKBC-MR30-512-01F-kobumoku.jpg?v=1771481562\" alt=\"Black Claro Walnut size 30 burl figure\"\u003e\u003cbr\u003e\n\nA defining feature of its figured grain is the intricate, interwoven patterns and shimmering highlights that give the material a striking beauty and strength distinct from other woods.\u003cbr\u003e\nUnlike standard walnut, which typically shows consistent brown tones, Claro walnut displays flowing variations of brown, black, and creamy whitish hues, creating dramatic contrast and depth.\u003cbr\u003e\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\n\u003cdiv class=\"Collapsible Collapsible--large\"\u003e\n\u003cbutton class=\"Collapsible__Button Heading u-h6\" data-action=\"toggle-collapsible\"\u003e\n\u003cspan\u003eAbout “Kobu-moku” (Burl Figure)\u003c\/span\u003e\n\u003cspan class=\"Collapsible__Plus\"\u003e\u003c\/span\u003e\n\u003c\/button\u003e\n\u003cdiv class=\"Collapsible__Inner\"\u003e\n\u003cdiv class=\"Collapsible__Content\"\u003e\n\n“Kobu-moku” (burl figure) refers to highly decorative grain that appears in the burl formations of a tree.\u003cbr\u003e\nIn these knot-like growths found on the trunk or near the roots, the wood fibers grow in complex, interwoven, and irregular directions.\u003cbr\u003e\nAs a result, unlike straight grain, the surface reveals distinctive swirling or bead-like patterns that are entirely unique.\u003cbr\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/GKBC-MR30-512-01F-kobumoku.jpg?v=1771481562\" alt=\"Black Claro Walnut size 30 burl figure\"\u003e\u003cbr\u003e\n\nA defining characteristic of burl figure is its three-dimensional luster and sense of depth created by the irregular fiber structure.\u003cbr\u003e\nDepending on the angle of light and viewing perspective, the surface expression changes, sometimes resembling ripples on water or a sea of clouds, creating a dreamlike visual effect.\u003cbr\u003e\nNo two patterns are ever the same, and each piece possesses a truly one-of-a-kind character.\u003cbr\u003e\nBecause the fibers are intertwined, burl wood is more difficult to work than straight-grained material, but the finished result offers exceptional presence and beauty.\u003cbr\u003e\nIt is highly valued as a decorative wood and is used in fine crafts, turned woodwork, luxury furniture, and musical instruments.\u003cbr\u003e\n\u003cbr\u003e\nA natural form shaped over long years by the tree itself—\u003cbr\u003e\nBurl figure can be described as a unique work of art carved by nature.\u003cbr\u003e\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\u003cdiv class=\"Collapsible Collapsible--large\"\u003e\n\u003cbutton aria-expanded=\"false\" data-action=\"toggle-collapsible\" class=\"Collapsible__Button Heading u-h6\"\u003e\nAbout Traditional Craftsman Biei\n\u003cspan class=\"Collapsible__Plus\"\u003e\u003c\/span\u003e\n\u003c\/button\u003e\n\u003cdiv class=\"Collapsible__Inner\"\u003e\n\u003cdiv class=\"Collapsible__Content\"\u003e\n\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/maruyama-03.jpg?v=1771464441\" alt=\"Biei\"\u003e\u003cbr\u003e\n\nTraditional Craftsman Biei was born in Gunma Prefecture into a family engaged in lathe-turned woodworking and has spent over 50 years studying and refining the techniques of lathe woodcraft.\u003cbr\u003e\nWorking daily with a wide variety of woods, he continues to produce high-quality Go bowls through skilled craftsmanship and careful attention to detail.\u003cbr\u003e\n\u003cbr\u003e\nIn recognition of his expertise in lathe woodcraft, he was certified as a “Traditional Craftsman” in 2000.\u003cbr\u003e\n\u003cbr\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\n\u003cdiv class=\"Collapsible Collapsible--large\"\u003e\n\u003cbutton class=\"Collapsible__Button Heading u-h6\" data-action=\"toggle-collapsible\" aria-expanded=\"false\"\u003e \u003cspan\u003e Specification\u003c\/span\u003e \u003c!-- 折り畳みのタイトル --\u003e \u003cspan class=\"Collapsible__Plus\"\u003e\u003c\/span\u003e \u003c\/button\u003e\n\u003cdiv class=\"Collapsible__Inner\"\u003e\n\u003cdiv class=\"Collapsible__Content\"\u003e\n\u003c!-- 折り畳みの内容 --\u003e\n\n\u003cul\u003e\n\u003cli\u003eTraditional craftsman Biei made Black Claro Walnut Go Bowls Large Burl Figure (Kobu-moku) for size 25 - 30 Go stones\u003cbr\u003e\nProduct No.：GKBC-MR30-512-01F\u003cbr\u003e\nConformity Go stone for size：size 25 - 30\u003cbr\u003e\nSize：Go Bowl \/ Diameter About 150 mm × Height About 105 mm\u003cbr\u003e\nOuter box size: approx. 315 mm × 162 mm × 110 mm (H × W × D)\u003cbr\u003e\nWeight：Go Bowl \/ 1  About 580 g\u003cbr\u003e\nTotal Weight \/ About 790 g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e1,000 JPY flat rate shipping within Japan, free shipping for purchases totaling 20,000 JPY or more.\u003cbr\u003e\nPlease bear the actual cost for shipping charges outside Japan.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 折り畳みの内容ここまで --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\n\u003cdiv class=\"Collapsible Collapsible--large\"\u003e\n\u003cbutton aria-expanded=\"false\" data-action=\"toggle-collapsible\" class=\"Collapsible__Button Heading u-h6\"\u003e \u003cspan\u003eNotice about Product\u003c\/span\u003e\u003c!-- 折り畳みのタイトル --\u003e \u003cspan class=\"Collapsible__Plus\"\u003e\u003c\/span\u003e \u003c\/button\u003e\n\u003cdiv class=\"Collapsible__Inner\"\u003e\n\u003cdiv class=\"Collapsible__Content\"\u003e\n\u003c!-- 折り畳みの内容 --\u003eYou may find small knots, burrs, rolled-in bark as all these products are made of natural trees.\u003cbr\u003e\nThere may be some small flaw or scratch, dent, chipping.\u003cbr\u003e\u003c!-- 折り畳みの内容ここまで --\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"kurokigoishiten","offers":[{"title":"Default Title","offer_id":47355481292963,"sku":null,"price":228000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/GKBC-MR30-512-01F-00.jpg?v=1771476371","url":"https:\/\/kurokigoishiten.com\/en\/products\/602-begb-01-%e3%82%8d%e3%81%8f%e3%82%8d%e6%9c%a8%e5%b7%a5%e4%bc%9d%e7%b5%b1%e5%b7%a5%e8%8a%b8%e5%a3%ab-%e7%be%8e%e6%a0%84-%e3%81%b3%e3%81%88%e3%81%84-%e8%a3%bd%e4%bd%9c-%e3%83%96%e3%83%a9%e3%83%83%e3%82%af%e3%82%af%e3%83%a9%e3%83%ad-%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab%e3%83%8a%e3%83%83%e3%83%88%e7%a2%81%e7%ac%a5-%e5%a4%a7-%e6%9d%a2%e5%85%a5%e3%82%8a-30%e5%8f%b7-gkbc-mr30-512-01f","provider":"kurokigoishiten","version":"1.0","type":"link"}