wiki-Spine (Mine)

  • Definition
    The Mine refers to the spine, or back of the knife, located opposite the cutting edge. It is not sharpened and provides structural balance and strength to the blade.
  • Details
    The Mine is usually straight or gently curved and made from the same steel as the rest of the blade. In high-quality knives, it is carefully finished to improve comfort, balance, and visual appeal. Because it is thicker than the edge side, the spine contributes to durability and overall knife stability.
  • Comparison
    Unlike the cutting edge, which is thin and sharp, the Mine is blunt and sturdy. In contrast to Western knives, where the spine is often purely structural, Japanese knives frequently utilize the spine for food preparation tasks such as scraping or pounding. This makes the Mine a more functional element in traditional Japanese cutlery.
  • Practical Use
    The Mine can be used for light pounding, such as tenderizing meat, or for scraping ingredients like burdock root (gobo) without damaging their texture. It also provides a safe side for pressing against the hand during controlled cutting, adding both safety and versatility.
  • Cultural Note
    In Japanese craftsmanship, even the Mine is polished with care, reflecting the artisan’s dedication to detail. Its finish is considered part of the knife’s beauty and usability. The use of the Mine in food preparation techniques further illustrates the Japanese philosophy of maximizing every part of the blade.

Related websites
Decoding Japanese Knives: Understanding Parts and Names | KIREAJI