SKU: 77972494048

Nigara "Onikoroshi (Troll Killer)" Aogami #2 Damascus 330mm Yanagiba

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Description

Nigara "Onikoroshi (Troll Killer)" Aogami #2 Damascus 330mm YanagibaWith more than 100 layers of Damascus as well as the blackened blade, the "Onikoroshi" demonstrates a mysterious yet charming appearance. Heat treated to 64 HRC with Aogami #2 (Blue #2), the painstaking efforts needed to forge a Yanagiba is comparable to a knife in Honyanki construction. Spec: Origin (Made in): Hirosaki, Aomori Prefecture, Japan Brand: Nigara Hamono Craftsman: Tsuyoshi Yoshizawa ( ) Knife Type: Yanagiba Blade Construction: Awase

With more than 100 layers of Damascus as well as the blackened blade, the "Onikoroshi" demonstrates a mysterious yet charming appearance. Heat treated to 64 HRC with Aogami #2 (Blue #2), the painstaking efforts needed to forge a Yanagiba is comparable to a knife in Honyanki construction.

Spec:

  • Origin (Made in): Hirosaki, Aomori Prefecture, Japan
  • Brand: Nigara Hamono
  • Craftsman: Tsuyoshi Yoshizawa (吉澤 剛)
  • Knife Type: Yanagiba
  • Blade
    • Construction: Awase (Kasumi)
    • Grind: Single Bevel (Right-handed)
    • Hagane (Core Steel): Aogami #2 (Blue #2)
    • Jigane (Cladding): Soft Iron
    • Hardness: 64 HRC
    • Hand-forged, hand-ground, hand-sharpened
  • Blade Finishes:
    • Damascus ("Anmon" Pattern)
    • Kurosome (Black Etched)
  • Blade Length: 330mm (13")
  • Blade Height (at heel): 43mm
  • Spine Thickness
    • Above heel: 5mm
    • Middle: 4.3mm
  • Handle
    • Premium Custom Handle
    • Shape: Hachikaku (Octagonal)
    • Material: Ebony
    • Kuchiwa / Tsukajiri: Marble Buffalo Horn
    • Ginmaki: Nickel Copper (x2)
    • Length: 153mm
  • Overall Length: 492mm
  • Weight: 373g (13.16oz)
  • Engraved Mark: In Japanese Kanji "Nigara Made" (二唐作)

About Nigara Hamono 二唐刃物

With 350 years of history, starting from making swords for Tsugaru clan in the early Edo period, Nigara Hamono has passed down knowhow and skills for eight generations. Its 5th generation blacksmith Kunitoshi Nigara was a legendary sword maker, earning a long list of accolades, honorary titles and knighthood. The current (8th) generation blacksmith — Tsuyoshi Yoshizawa is supported by his father Toshiju Yoshizawa who has keen interests in art and music. Nigara’s famous Anmon design is the result of Toshiju’s love for Andy Warhol’s artworks. The family business’ expansion into construction steelworks has given Nigara unmatched access to in-house knowhow when it comes to advanced finishing. All these set Nigara apart as one of the most special knife makers in Japan.

Care:

Aogami #2 (Blue #2) steel is a premium Japanese high carbon steel for knife making. Despite some corrosion resistant quality (for a carbon steel), it is not stainless, therefore you should wipe your knife dry after each use. Patina will develop over time. Rust may develop if left in prolonged contact with water or acidic food. Use a rust eraser to clean if rusts develop. Avoid cutting into bones, frozen foods, hard fruit pits.

Cutting Surface:

Recommended cutting surface: wood, rubberized boards and high-end composites, and quality plastics such as polyethene make acceptable cutting surfaces, and will help protect and prolong knife’s edge. AVOID glass, metal, countertops, and other rigid, non-forgiving surfaces.

Sharpening:

We recommend sharpening all quality Japanese knives on whetstones, as we believe they yield the best results for your knives.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77972494048

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Ladyshell
Grantham, US
★★★★★ 5
First ball was great!
Color: Black Green, Size: 8 Inch
This ball was great! My dog loves it. I ordered another smaller one. It had no pump and the inside was separated from the outside piece so it couldn’t be pumped up.
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Reviewed in the United States on May 18, 2026
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AMM
Belleville, US
★★★★★ 5
Fun and durable
Color: Flag, Size: 6 Inch, Color: Flag, Size: 6 Inch
I have a 5 month old teething Whippet puppy and this toy is a favorite. She loves carrying it around by the straps, playing tug, and trying to chew it. I think it’s pretty tough and durable for someone her size. I could see how a shepherd might destroy it quickly, though. I was surprised to find you have to inflate it, but the pump and needles are included and it hasn’t lost any air over several days of rough play. (I kick it and toss it to her. We tug with the straps. She carries it everywhere.) The material feels like a heavy duty soccer ball, just smaller. It’s the perfect size for her. I’d definitely buy it again.
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Reviewed in the United States on May 1, 2026
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Leo
Birmingham, US
★★★★★ 4
It's a (smaller) soccer ball with nylon straps. Will no last long for aggressive chewers.
Color: Black Green, Size: 8 Inch
As the item title states, it's a soccer ball with straps. It feels like a soccer ball, but smaller and doesn't make any noises. The 8 inch size just right for my 50 lb dog. He can't get his mouth around the ball, but can bite down on the straps as we kick it around. He also plays and tosses it around by himself. It's also easy to clean. It's a good item, but suffers from two issues. 01) The nylon straps are tough, but not as durable as I though. My dog is aggressive chewer and has managed to chew them up a bit. 02) There is a nylon strap that is longer than all the others, so he tends to focus on that one. After about 15 days of playing with hit, he's managed to chew that strap up to the point that it's almost falling off. It would be nice if all the straps were the same, larger, size.
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Reviewed in the United States on October 27, 2025
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debra
Los Angeles, US
★★★★★ 5
Highly recommend
Color: Black Green, Size: 8 Inch
I was skeptical that it would hold up to our aggressive chewer puppy (staffyX) - especially during teething. But it has survived past teething into adult chompers and is still fantastic! Its his favorite outside toy, especially the tags make it fun (and those have been holding up well too). If/when it fails, I'll buy another one.
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Reviewed in the United States on May 2, 2026
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Amazon Customer
Battle Creek, US
★★★★★ 3
great design, poor overall quality
Color: Black Green, Size: 8 Inch
My dog loves these balls. The "tags" are a great design. The problem I have is the quality as they aren't tough enough. He goes through them pretty quickly tearing off the tags and puncturing the ball. He doesn't get that these actually cost money! Each one also comes with a small pump, which I guess is great for a one time buy?, but man, if you don't own a pump just buy one and keep one. I have no use for several of these cheap pumps. How about offering the pump as an add-on for a dollar or two?
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Reviewed in the United States on April 13, 2026

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