{"product_id":"tri-ribbed-nanjiangshi-wenwan-walnuts-39mm-x-37mm-njs-aa-003207","title":"The \"Tri-Ribbed Nanjiangshi\" San Jiao Nan Jiang Shi Lion's Head Collector Pair | AA-Grade Masterpiece Tier | 39.0mm x 37.0mm | NJS-AA-003207","description":"\u003cp\u003eThis listing is for the exact pair shown in the photo. Stock ID \u003cb\u003eNJS-AA-003207\u003c\/b\u003e is a masterfully synchronized set of authentic \"Tri-Ribbed Nanjiangshi\" (San Jiao Nan Jiang Shi) Lion's Head walnuts. Selected for serious collectors who seek an ultra-rare equilateral tri-ribbed mutation on the king-tier Nanjiangshi lineage, featuring iconic muscular shoulders, armor-thick shell walls, crisp stone-like density, and long-term deep agate patina potential, this pair is ready for immediate worldwide shipping.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStock: 1 of 1 (Single Inventory Masterpiece)\u003c\/li\u003e\n\u003cli\u003eVariety: Tri-Ribbed Nanjiangshi (San Jiao Nan Jiang Shi) Lion's Head\u003c\/li\u003e\n\u003cli\u003eDimensions: 39.0mm x 37.0mm\u003c\/li\u003e\n\u003cli\u003eGrade: AA-Grade Collector Tier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e[About the Tri-Ribbed Nanjiangshi Variety]\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eOriginating from the Zhuolu region of Hebei, Nanjiangshi is widely revered as the heaviest, densest, and most challenging \"hardcore\" lineage in the entire Wenwan walnut world. True Nanjiangshi walnuts are celebrated for their cross-ridge crown, thick double edges, deeply recessed navel, and legendary bone-like timber that produces a clear bell chime upon contact. The \"Tri-Ribbed\" (San Jiao) specimen is an exceptionally scarce natural genetic mutation where three symmetrical structural ribs emerge from the base, forming an equilateral pyramid-like geometry. Its shell topography features dense, muscular stone-carved grooves and vertical water channels that provide an intense, deeply penetrating acupressure massage. Under patient, long-term hand rotation, this dense timber matures into an incomparable, translucent antique ruby-agate finish.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e[Characteristics of NJS-AA-003207]\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMeasuring 39.0mm x 37.0mm, this pair showcases a balanced, compact squatted ratio that fits naturally into the palm with unmatched tactile heft and solid fullness.\u003c\/li\u003e\n\u003cli\u003eThanks to its three evenly spaced structural ribs and stable three-point base, this pair provides seamless multi-directional rotational momentum and crisp, stone-on-stone mechanical clicks during hand play.\u003c\/li\u003e\n\u003cli\u003eThe shell is wrapped in a high-definition network of deep muscular ridges and interlocking cellular pockets, offering an invigorating, full-surface acupressure massage across all palm contact points.\u003c\/li\u003e\n\u003cli\u003eBoasting exceptional iron-like timber density and thick shell walls, these specimens carry a noticeably heavy sink-in-water weight that produces a sharp, jade-like ring upon contact.\u003c\/li\u003e\n\u003cli\u003ePre-cleaned and expertly primed as a foundational first step, this pair preserves its authentic raw texture while ensuring a clean surface for immediate hand rotation.\u003c\/li\u003e\n\u003cli\u003eMatching two wild tri-ribbed Nanjiangshi mutations to a harmonized 39.0mm x 37.0mm frame while seamlessly mirroring their triangular angles, ridge crests, and valley depths requires an exhaustive curation process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e[Specifications]\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVariety: Tri-Ribbed Nanjiangshi (San Jiao Nan Jiang Shi) Lion's Head\u003c\/li\u003e\n\u003cli\u003eStock ID: NJS-AA-003207\u003c\/li\u003e\n\u003cli\u003eDimensions: 39.0mm x 37.0mm\u003c\/li\u003e\n\u003cli\u003eTexture: Deep muscular stone-carved ridges and cellular valleys structured on an equilateral three-ribbed frame.\u003c\/li\u003e\n\u003cli\u003eBest For: Dedicated collectors seeking a rare three-ribbed mutation on the densest classic lineage, offering intense tactile feedback, satisfying heft, and generational ruby-agate patina value.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"mindfulshells","offers":[{"title":"Default Title","offer_id":44545707769959,"sku":"NJS-AA-003207","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0653\/6803\/1335\/files\/20260814_165519_0cdf04e3-5e9f-4818-bb8f-e2c741bbb6a2.jpg?v=1788527037","url":"https:\/\/mindfulshells.com\/products\/tri-ribbed-nanjiangshi-wenwan-walnuts-39mm-x-37mm-njs-aa-003207","provider":"mindfulshells","version":"1.0","type":"link"}