{"product_id":"yamawaki-cutlery-sakai-knife-go-uma-no-suke-yoshihiro-spg-strix-wari-komi-damascus-gyuto-210-mm-with-senbon-kurogaki-black-persimmon-handle-and-wooden-saya","title":"Yamawaki Cutlery Sakai Knife [Go-uma-no-suke Yoshihiro] SPG-STRIX Wari-komi Damascus Gyuto 210 mm with Senbon-Kurogaki [black persimmon] Handle and Wooden Saya","description":"Crafted by Yamawaki Cutlery, a prestigious Sakai knife maker founded in 1927, this exceptional SPG-STRIX Wari-komi Damascus Gyuto 210 mm embodies the finest traditions of Japanese blade craftsmanship.\u003cbr\u003e\n\u003cbr\u003e\nEach piece is meticulously hand-forged and finished by skilled artisans, achieving a perfect balance of precision, beauty, and performance.\u003cbr\u003e\nThe blade is paired with a stunning Senbon-Kurogaki (striped persimmon wood) handle, and accompanied by an elegant wooden saya, reflecting the harmony between form and function.\u003cbr\u003e\nThis one-of-a-kind masterpiece proudly bears the name of the legendary Kamakura-period swordsmith [Go-uma-no-suke Yoshihiro] symbolizing the spirit of Japanese mastery that transcends time.\u003cbr\u003e\n\u003cbr\u003e\nThis Gyuto knife features a beautifully patterned Damascus steel blade, showcasing elegant wood-grain-like waves across the surface.\u003cbr\u003e\nThe handle and saya are crafted from rare Kurogaki (black persimmon wood), prized for its natural jet-black streaks that resemble ink brushed on fine paper.\u003cbr\u003e\nThe blade steel, SPG-STRIX, delivers an extraordinarily sharp edge—comparable to high-carbon steel—while maintaining excellent durability and corrosion resistance.\u003cbr\u003e\n\u003cbr\u003e\n*Click the button below for detailed information about materials.\u003cbr\u003e\nLimited to this one piece.\u003cbr\u003e\nComes in a wooden presentation box.\u003cbr\u003e\n\n\u003cdiv style=\"border: #ff69b4 solid 1px; font-size: 100%; padding: 15px;\"\u003e\n\u003cspan style=\"color: #e25041;\"\u003e\n\n\u003cstrong\u003eYou can watch a video of this product.\u003c\/strong\u003e\u003cbr\u003e\nThe video is available in the image gallery.\u003cbr\u003e\n\n\n\u003c\/span\u003e\n\n\u003c\/div\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\" aria-expanded=\"false\"\u003e \u003cspan\u003eDetails\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\nThis Gyuto knife features the distinctive and captivating pattern unique to Damascus steel.\u003cbr\u003e\nThe handle and saya are made from extremely rare Kurogaki (black persimmon wood)—a precious material said to appear only once in every ten thousand trees—adorned with elegant black streaks that resemble brushstrokes of charcoal ink.\u003cbr\u003e\n\u003cbr\u003e\nHandcrafted by skilled Sakai knife artisans of Yamawaki Cutlery, this masterpiece embodies the finest Japanese craftsmanship.\u003cbr\u003e\nThe blade bears the engraved mark [Go-uma-no-suke Yoshihiro].\u003cbr\u003e\n\u003cimg data-mce-fragment=\"1\" alt=\"engraving\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/syokunin-10.jpg?v=1761203919\"\u003e\n\u003cbr\u003e\nPlease refer to the images for detailed dimensions of the product.\u003cbr\u003e\n\u003cbr\u003e\n    \n    \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 class=\"Collapsible__Button Heading u-h6\" data-action=\"toggle-collapsible\" aria-expanded=\"false\"\u003e \u003cspan\u003eWhat is [Gyuto] ?\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\n\nThe [Gyuto] is the Japanese interpretation of the Western chef’s knife, designed as an all-purpose blade for slicing meat, fish, and vegetables with precision.\u003cbr\u003e\nIts gently curved edge allows smooth rocking cuts, while the thin, finely sharpened blade provides exceptional control and effortless slicing performance.\u003cbr\u003e\nCombining balance, versatility, and refined sharpness, the Gyuto is an essential knife for both professional chefs and passionate home cooks.\u003cbr\u003e\nA true reflection of Japanese craftsmanship — elegant, functional, and made to last.\u003cbr\u003e\n\u003cbr\u003e\n    \n    \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\u003cdiv class=\"Collapsible Collapsible--large\"\u003e\n\u003cbutton class=\"Collapsible__Button Heading u-h6\" data-action=\"toggle-collapsible\" aria-expanded=\"false\"\u003e \u003cspan\u003eWhat is [Wari-komi] ?\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\n\n[Warikomi(Japanese San-Mai Forging Technique)] is a traditional Japanese forging technique in which a hard steel core—known for its exceptional sharpness—is sandwiched between layers of softer iron or stainless steel.\u003cbr\u003e\nThis three-layer structure combines the best of both worlds: the core maintains a razor-sharp edge, while the outer layers provide strength, flexibility, and rust resistance.\u003cbr\u003e\nEach blade is carefully forged and finished by skilled Japanese craftsmen, ensuring a perfect bond between the core and the cladding metals.\u003cbr\u003e\nThe result is a knife that offers outstanding cutting performance, durability, and ease of maintenance—ideal for both professional chefs and home cooks alike.\u003cbr\u003e\n\u003cbr\u003e\nThe Warikomi method embodies the spirit of Japanese craftsmanship, achieving a harmonious balance between sharpness, resilience, and beauty.\u003cbr\u003e\n\u003cbr\u003e\n    \n    \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\u003cdiv class=\"Collapsible Collapsible--large\"\u003e\n\u003cbutton class=\"Collapsible__Button Heading u-h6\" data-action=\"toggle-collapsible\" aria-expanded=\"false\"\u003e \u003cspan\u003eWhat is [SPG-STRIX] ?\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    \n\u003cstrong\u003e[SPG-STRIX]\u003c\/strong\u003e is a next-generation stainless powdered steel developed by Takefu Special Steel Co., Ltd., designed specifically for high-performance Japanese kitchen knives.\u003cbr\u003e\nIt achieves an exceptional balance of hardness, sharpness, and corrosion resistance, reaching up to HRC 65 while maintaining excellent grindability and edge retention.\u003cbr\u003e\nUnlike conventional powdered steels that can be difficult to sharpen, SPG-STRIX provides a smooth sharpening feel similar to high-carbon steels.\u003cbr\u003e\n\u003cbr\u003e\nCombining advanced metallurgical engineering with traditional Japanese forging, this steel delivers razor-sharp cutting performance and long-lasting durability, making it one of the finest materials used in modern Japanese blades.\u003cbr\u003e\n\u003cbr\u003e\n    \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\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\u003eWhat is [Damascus steel] ?\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    \n\u003cstrong\u003e[Damascus steel]\u003c\/strong\u003e is renowned for its distinctive wavy pattern and exceptional cutting performance.\u003cbr\u003e\nCreated by forging together multiple layers of different steels, it forms a beautiful flowing grain that resembles natural wood or water ripples.\u003cbr\u003e\nBeyond its striking appearance, Damascus steel offers a perfect balance of strength, flexibility, and edge retention, ensuring both durability and effortless sharpness.\u003cbr\u003e\n\u003cbr\u003e\nEach blade’s unique pattern makes it not only a high-performance tool, but also a piece of art that embodies the spirit of Japanese craftsmanship.\u003cbr\u003e\n\u003cbr\u003e\n    \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\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\u003eAbout Sakai Knife [Go-uma-no-suke Yoshihiro]\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    \n\u003cstrong\u003e[Gou Umanosuke Yoshihiro]\u003c\/strong\u003e is a prestigious brand of traditional Sakai knives, handcrafted in Osaka, Japan — a region celebrated for over 600 years of fine blade-making heritage.\u003cbr\u003e\nEach knife is meticulously forged, sharpened, and polished by master artisans of Yamawaki Cutlery, preserving the time-honored techniques of Sakai Uchihamono craftsmanship.\u003cbr\u003e\n\u003cbr\u003e\nCombining the precision of Japanese forging with elegant design and perfect balance, Yoshihiro knives deliver razor-sharp performance, exceptional durability, and timeless beauty that reflects the spirit of true Japanese mastery.\u003cbr\u003e\nA tool for professionals — and a work of art for those who value perfection.\u003cbr\u003e\n\u003cbr\u003e\n    \n    \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 class=\"Collapsible__Button Heading u-h6\" data-action=\"toggle-collapsible\" aria-expanded=\"false\"\u003e \u003cspan\u003eAbout [Yamawaki Cutlery]\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\u003cimg data-mce-fragment=\"1\" alt=\"Yamawaki Cutlery\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/koubou-06.jpg?v=1761203918\"\u003e\n\u003cstrong\u003e[Yamawaki Cutlery]\u003c\/strong\u003e is a long-established knife workshop based in Sakai, Osaka, the historic heart of Japanese blade-making for over six centuries.\u003cbr\u003e\nSince its founding in 1927, Yamawaki has continued to uphold the time-honored traditions of Sakai Uchihamono, crafting each knife with uncompromising precision and care.\u003cbr\u003e\n\u003cbr\u003e\n\u003cimg data-mce-fragment=\"1\" alt=\"Yamawaki Cutlery\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/syokunin-02.jpg?v=1761203918\"\u003e\nEvery blade is hand-forged, ground, and finished by skilled artisans, achieving the perfect harmony of sharpness, balance, and beauty.\u003cbr\u003e\n\u003cimg data-mce-fragment=\"1\" alt=\"Yamawaki Cutlery\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/syokunin-06.jpg?v=1761203918\"\u003e\nBlending traditional Japanese techniques with modern innovation, Yamawaki creates knives that embody both heritage and performance —\ntools cherished by professional chefs and culinary enthusiasts around the world.\u003cbr\u003e\n\u003cbr\u003e\nA true symbol of Japanese craftsmanship and the spirit of Sakai quality.\u003cbr\u003e\n\u003cbr\u003e\n    \n    \n    \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\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\u003eSpecification\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    \n\n\u003cli\u003eYamawaki Cutlery Sakai Knife [Go-uma-no-suke Yoshihiro] SPG-STRIX Wari-komi Damascus Gyuto 210 mm with Senbon-Kurogaki [black persimmon] Handle and Wooden Saya\u003cbr\u003e\nSize : Box \/ 420 mm × 88 mm × 45 mm\u003cbr\u003e\nKnife \/ Length: 349 mm, Width: 45 mm, Blade length: 200 mm, Handle length: 132 mm\u003cbr\u003e\n*Please refer to the images for detailed dimensions of the product.\u003cbr\u003e\nWeight : About 138 g\u003cbr\u003e\nKurogaki (black persimmon wood) handle, with wooden saya and presentation box\u003c\/li\u003e\n\u003cbr\u003e\n    \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.\u003c\/li\u003e\n\n    \n\u003c\/ul\u003e\n    \n    \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\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\u003ePrecautions\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    \n\u003cli\u003eDo not use the knife for any purpose other than food preparation.\u003c\/li\u003e\n    \n\u003cli\u003eAlways use a knife suitable for its intended purpose.\u003cbr\u003e\nUsing this knife to cut frozen foods, bones, or other hard materials may cause the blade to chip, crack, or break. Please use a specialized knife for those tasks.\u003c\/li\u003e\n    \n\u003cli\u003eAlways use a cutting board when using the knife.\u003cbr\u003e\nHowever, striking or chopping forcefully on the board may cause the edge to chip or the handle to loosen, which is extremely dangerous.\u003c\/li\u003e\n    \n\u003cli\u003eThe blade is very thin and sharpened for excellent cutting performance.\u003cbr\u003e\nDo not twist, bend, or apply side pressure to the edge, and never touch the blade directly or use it for any non-cooking purpose.\u003c\/li\u003e\n\n\u003cli\u003eRegularly inspect the blade for cracks or chips.\u003cbr\u003e\nIf any damage is found, stop using the knife immediately.\u003c\/li\u003e\n    \n\u003cli\u003eFor knives with inserted handles (tang-style handles), the handle may become loose over time.\u003cbr\u003e\nAlways check for any looseness before use.\u003c\/li\u003e\n    \n\u003cli\u003eWhen children use the knife, ensure that they are properly supervised and instructed by a responsible adult.\u003c\/li\u003e\n    \n\u003cli\u003eKeep the knife out of reach of infants and small children.\u003c\/li\u003e\n    \n\u003cli\u003eNever heat the knife over an open flame.\u003c\/li\u003e\n    \n\u003cli\u003eAfter each use, wash the knife thoroughly, wipe off all moisture, and allow it to dry completely before storing.\u003cbr\u003e\nFor details on care and maintenance, please refer to \u003cstrong\u003e[Knife Care].\u003c\/strong\u003e\u003c\/li\u003e\n\u003cbr\u003e\n    \n\u003c\/ul\u003e\n    \n\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\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[Knife Care]\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    \n\u003cli\u003e\u003cstrong\u003eRust Prevention\u003c\/strong\u003e\u003cbr\u003e\nAfter each use, wash the knife thoroughly with water or lukewarm water, then wipe off all moisture with a dry cloth before storing.\u003cbr\u003e\nIf you do not plan to use the knife for an extended period, apply a thin layer of vegetable oil (such as salad oil) to the blade to help prevent rust.\u003cbr\u003e\nIf rust does appear, gently polish the affected area using a mild abrasive cleaner.\u003c\/li\u003e\n    \n\u003cli\u003e\u003cstrong\u003eSharpening\u003c\/strong\u003e\u003cbr\u003e\nProper sharpening is essential to maintain the knife’s cutting performance.\u003cbr\u003e\nIdeally, the blade should be sharpened about once every ten days.\u003cbr\u003e\nWhen sharpening at home, use a \u003cstrong\u003emedium-grit synthetic whetstone\u003c\/strong\u003e for best results.\u003cbr\u003e\n\u003cbr\u003e\n1. First, as shown in the diagram, place a wet cloth or towel under the whetstone to keep it from moving while you sharpen.\u003cbr\u003e\n\u003cimg data-mce-fragment=\"1\" alt=\"careandmaintenanceofknives-01\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/028658439f3d12eca5077920bff9b242.jpg?v=1761201564\"\u003e\n    \n2. For single-bevel knives, sharpen the beveled side at an angle of about 15 degrees, as illustrated.\u003cbr\u003e\n\u003cimg data-mce-fragment=\"1\" alt=\"careandmaintenanceofknives-02\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/25538d6b77e91260badff583cbb4ff34.jpg?v=1761201564\"\u003e\n    \n3. When sharpening the knife, keep your fingers together and apply pressure to one area at a time.\u003cbr\u003e\nMove the blade slowly and evenly back and forth to achieve a consistent edge.\u003cbr\u003e\n\u003cimg data-mce-fragment=\"1\" alt=\"careandmaintenanceofknives-03\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/7885e0f28e20f8aa6bd6bf8f5a5f6698.jpg?v=1761201564\"\u003e\n    \n4. When a rough sensation—known as a burr—appears along the edge, gently sharpen the reverse side of the blade two or three times, just enough to remove the burr.\u003cbr\u003e\n\u003cimg data-mce-fragment=\"1\" alt=\"careandmaintenanceofknives-04\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/fcf3af4a61f44480aa58aa17e08b6908.jpg?v=1761201564\"\u003e\n    \n*For double-edged knives, sharpen both sides of the blade the same number of times.\u003cbr\u003e\nWhen sharpening, make sure the knife does not wobble on the whetstone.\u003cbr\u003e\nMove it straight, quietly, slowly, and with a steady rhythm to achieve an even edge.\u003cbr\u003e\nAfter sharpening, wash the knife thoroughly, remove any moisture, and let it dry completely before storing.\u003c\/li\u003e\n\n    \n\u003c\/ul\u003e\n    \n\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","brand":"kurokigoishiten","offers":[{"title":"Default Title","offer_id":46444950454435,"sku":null,"price":148000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/1093\/6995\/files\/spg-strix-damascus-wagyuutou-senbonkurokaki-00_50e77ee7-2f5d-445c-b743-a9840608d7d7.jpg?v=1761205308","url":"https:\/\/kurokigoishiten.com\/en\/products\/yamawaki-cutlery-sakai-knife-go-uma-no-suke-yoshihiro-spg-strix-wari-komi-damascus-gyuto-210-mm-with-senbon-kurogaki-black-persimmon-handle-and-wooden-saya","provider":"kurokigoishiten","version":"1.0","type":"link"}