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Spray‑Kogarasu‑Maru‑Katana – T10‑Clay‑Tempered‑Spray‑Kogarasu‑Maru‑Ancient‑Raven‑Legend‑Motif Japanese Katana Sword
Product Introduction
The Spray‑Kogarasu‑Maru‑Katana is historic evocative spray‑kogarasu‑maru ancient‑raven‑legend‑motif themed samurai katana, fully differentiated from tuoyuan‑practical‑workman‑art katana, octagonal‑serpent‑wild‑nature‑art katana, dao‑yin‑hermit‑zen‑art katana and other practice‑functional‑art, wild‑mystic‑nature‑art, hermit‑zen‑austere‑art decorative swords. This spray‑kogarasu‑maru‑ancient‑raven‑art‑oriented collectible draws inspiration from the legendary Kogarasu‑Maru ancient raven‑folklore sword heritage. Adopts premium T10 high‑carbon steel with traditional tsuchioki clay‑differential‑tempering generating crisp sanbonsugi three‑cedar‑tree flowing visible hamon temper‑line, dual‑hi double blood‑groove optimizes blade weight. It is equipped with distinctive open‑work 3D‑sculpted raven‑cloud‑scroll‑relief aged‑bronze mounting hardware, deep‑charcoal moro‑hineri cotton ito tsuka with cream faux ray‑fish samekawa inner lining, and solid hardwood finished in deep jet‑black lacquer decorated with delicate scattered‑gold‑raven‑plume maki‑e graphic artwork, paired with thick heavy‑grade deep‑charcoal‑braided sageo cord. Target audiences include spray‑kogarasu‑maru‑ancient‑raven‑art nihonto collectors, historic kogarasu‑maru‑legend folklore hobby enthusiasts, shadow‑noir‑toned home‑interior decor buyers and heritage‑raven‑legend‑theme decorative‑gift buyers.
The blade adopts premium T10 high‑carbon steel with traditional tsuchioki clay‑differential temper‑treatment, generating crisp sanbonsugi three‑cedar‑tree flowing hamon temper‑line, practical dual‑hi double blood‑groove for weight reduction. Classic katana‑style shinogi‑zukuri blade geometry, real carved yokote dividing‑line, historic jizo‑boshi kogarasu‑maru‑style kissaki tip and taganeha high‑grade hand‑grinding finish. Sanbonsugi hamon and jet‑‑black scattered‑gold‑raven‑plume maki‑e lacquer saya scratch easily; only static spray‑kogarasu‑maru‑ancient‑raven‑legend‑theme display and photo‑shooting are allowed. Heavy chopping and violent impact must be strictly prohibited to preserve historic evocative spray‑kogarasu‑maru‑ancient‑raven‑art themed collectible surface condition.
Complete mounting‑hardware set uses distinctive open‑work 3D‑sculpted raven‑cloud‑scroll‑relief aged‑bronze fittings, round spray‑kogarasu‑maru‑raven‑legend‑motif carved tsuba, matching‑pattern fuchi & kashira, tiny raven‑silhouette‑shape aged‑bronze menuki ornaments and solid‑brass habaki plus aged‑bronze seppa washers. Standard katana‑length tsuka grip uses cream faux artificial ray‑fish samekawa inner lining wrapped with thick deep‑charcoal moro‑hineri cotton ito. Scabbard is solid hardwood finished in deep jet‑black lacquer with delicate scattered‑gold‑raven‑plume maki‑e graphic artwork, fitted with aged‑bronze koiguchi, kurikata and kojiri hardware; matched thick heavy‑grade deep‑charcoal‑braided sageo cord with aged‑bronze clasp. Two bamboo mekugiana holes, non‑detachable fixed full‑tang construction for structural safety, tang cannot be disassembled. Spray‑kogarasu‑maru‑ancient‑raven‑legend‑theme fabric storage bag, standard katana wooden display stand and sword‑maintenance‑kit are included as full free‑gift set; custom raven‑silhouette‑emblem blade‑engraving upgrade available for extra charge.
Core Selling Advantages
- Historic evocative spray‑kogarasu‑maru ancient‑raven‑legend‑motif samurai katana, distinctive open‑work 3D‑sculpted raven‑cloud‑scroll‑relief aged‑bronze hand‑guard for spray‑kogarasu‑maru‑ancient‑raven‑art sword‑collecting
- T10 clay‑differential‑tempered steel blade with crisp sanbonsugi three‑cedar‑tree flowing hamon temper‑line, practical dual‑hi double blood‑groove weight‑reduction design, historic jizo‑boshi kogarasu‑maru‑style tip for ancient‑raven‑folklore‑heritage‑art appreciation
- Full‑set raven‑cloud‑scroll‑relief aged‑bronze hardware reproduces historic evocative visual aura of legendary japanese kogarasu‑maru raven‑folklore heritage aesthetics
- Deep jet‑black lacquer hardwood katana saya decorated with delicate scattered‑gold‑raven‑plume maki‑e artwork, delivers shadow‑noir‑toned static‑presentation appearance
- Cream faux artificial ray‑fish‑skin samekawa inner lining for standard katana‑length tsuka, wrapped by durable deep‑charcoal moro‑hineri cotton ito
- Non‑detachable fixed full‑tang build for high structural safety, tang cannot be taken apart for inspection or disassembly
- Authentic full‑size katana dimension, well‑suited for spray‑kogarasu‑maru‑ancient‑raven‑art collection, shadow‑noir‑toned interior‑display and heritage‑raven‑legend‑motif gift scenarios
Complete Original Product Specifications (All dimensions & materials fully retained without omission)
| Parameter Item | Parameter Value |
|---|---|
| Zencho Entire Total Length | 103.5cm / 40.7inch |
| Hacho Effective Blade Length | 73.0cm / 28.7inch |
| Tsuka Handle Length | 26.8cm / 10.5inch |
| Sori Blade Curvature | 1.80cm / 0.70inch |
| Sakikasane Tip Thickness | 0.40cm / 0.15inch |
| Motokasane Root Thickness | 0.70cm / 0.27inch |
| Sahihaba Tip Width | 2.32cm / 0.91inch |
| Motohaba Root Width | 3.12cm / 1.22inch |
| Kissaki Nagasa Tip Length | 4.0cm |
| Boshi Tip Shape | Jizo Boshi (Kogarasu‑Maru Historic‑Style) |
| Mizuheshi Heat Treatment | Tsuchioki Traditional Clay‑Differential Tempering |
| Hamon Temper Pattern | Crisp Sanbonsugi Three‑Cedar‑Tree Flowing Visible Hamon Temper‑Line |
| Hi Blood Groove | Dual Hi (Double Blood Groove) |
| Blade Raw Material | T10 High‑Carbon Mono‑Solid Steel |
| Blade Forge Structure | Maru‑gitae Mono‑Solid Forge |
| Blade Polishing Craft | Taganeha High‑Grade Hand‑Grinding For Sanbonsugi Flowing Hamon Presentation |
| Blade Profile | Classic Katana‑Style Shinogi‑zukuri Geometry |
| Yokote Reinforcement Line | Real Carved Yokote Separation Line |
| Tang Disassembly | Non‑Detachable Fixed Full Tang |
| Mekugiana Peg Holes | Two Bamboo Peg Holes |
| Mekugi Fix Pegs | Fixed‑Structure Non‑Removable Bamboo Pegs |
| Fuchi & Kashira Material | Open‑Work 3D‑Sculpted Raven‑Cloud‑Scroll‑Relief Aged‑Bronze Fittings |
| Tsuka Wrap Craft | Moro‑hineri Durable Deep‑Charcoal Cotton Ito Maki |
| Tsuka Inner Lining | Cream Faux Artificial Ray‑Fish Samekawa Skin |
| Side Menuki Ornaments | Tiny Raven‑Silhouette‑Shape Aged‑Bronze Mini Ornaments |
| Blade Seppa Washers | Solid Aged‑Bronze Sheets |
| Tsuba Hand Guard | Open‑Work 3D‑Sculpted Raven‑Cloud‑Scroll‑Relief Spray‑Kogarasu‑Maru‑Ancient‑Raven‑Art Katana Tsuba |
| Habaki Blade Collar | Solid Raw‑Brass Finished Collar |
| Saya Scabbard Base | Solid Hardwood Deep Jet‑Black Lacquer Finish, Delicate Scattered‑Gold‑Raven‑Plume Maki‑E Graphic Artwork Decoration |
| Sageo Binding Cord | Thick Heavy‑Grade Deep‑Charcoal‑Braided Cotton Rope With Aged‑Bronze Clasp |
| Shitodome Fitting | Aged‑Bronze Metal End‑Cap |
| Free Gift Accessory | Spray‑Kogarasu‑Maru‑Ancient‑Raven‑Legend‑Theme Fabric Storage Carry Bag + Standard Katana Wooden Display Stand + Sword‑Maintenance‑Tool Kit |
| Total Full Set Weight | 1310g / 2.89pounds |
| Desheath Blade+Handle Weight | 1070g / 2.36pounds |
| Blade Sharp Option | Fully Sharpened / Spray‑Kogarasu‑Maru‑Ancient‑Raven‑Art‑Reproduction Safe Unsharpened Optional |
| Custom Blade Engraving | Raven‑Silhouette‑Emblem Logo Extra Charge Custom Upgrade Available |
| Handmade Reminder | Sanbonsugi three‑cedar‑tree flowing hamon line, raven‑cloud‑scroll‑relief aged‑bronze carving and delicate scattered‑gold‑raven‑plume jet‑black maki‑e lacquer may show minor handmade craft deviation for reference only |
Spray‑Kogarasu‑Maru‑Katana Spray‑Kogarasu‑Maru‑Ancient‑Raven‑Art Katana Parts Terminology Guide
KASHIRA: 3D‑sculpted raven‑silhouette‑relief aged‑bronze katana pommel cap
MENUKI: Tiny raven‑silhouette‑shape aged‑bronze side mini ornaments
TSUKAMAKI: Durable deep‑charcoal moro cotton katana grip wrap
SAMEKAWA: Cream faux artificial ray‑fish‑skin inner katana grip lining
FUCHI: Raven‑cloud‑scroll‑relief aged‑bronze grip‑ring fitting
TSUBA: Open‑work 3D‑sculpted raven‑cloud‑scroll‑relief spray‑kogarasu‑maru‑ancient‑raven‑art katana hand‑guard
HABAKI: Solid raw‑brass blade collar for classic katana mounting
KOIGUCHI: Jet‑black scattered‑gold‑raven‑plume katana‑saya mouth with aged‑bronze band
SAGEO: Thick heavy‑grade deep‑charcoal‑braided binding cord with aged‑bronze clasp
KURIKATA: Aged‑Bronze cord‑ring fitting
SAYA: Deep jet‑black lacquer solid‑hardwood katana scabbard decorated with delicate scattered‑gold‑raven‑plume maki‑e graphic artwork
KOJIRI: Aged‑bronze katana‑saya bottom end‑cap
Blade dimension schematic stored in media library, visit Custom Blade Customization for raven‑silhouette‑emblem logo engraving service.
Frequently Asked Questions
Q: What differentiates Spray‑Kogarasu‑Maru‑Katana from other themed katana?
A: This katana focuses on historic evocative spray‑kogarasu‑maru ancient‑raven‑legend heritage positioning, crisp sanbonsugi hamon, dual‑hi blood‑groove, raven‑cloud‑scroll aged‑bronze fittings and jet‑‑black scattered‑gold‑raven‑plume maki‑e saya; differs from practice‑functional‑art, wild‑mystic‑nature‑art, hermit‑zen‑austere‑art‑style swords.
Q: What is special for kogarasu‑maru‑inspired jizo‑boshi tip & raven‑legend motif?
A: Historic‑style jizo‑boshi tip paired with raven‑cloud‑scroll hardware, recreates the atmosphere of ancient Kogarasu‑Maru raven folklore, for heritage‑oriented nihonto collectors.
Q: How to maintain scattered‑gold‑raven‑plume saya and raven‑cloud‑scroll‑relief aged‑bronze fittings?
A: Keep dry storage environment, avoid long‑term sunlight exposure and sharp scratches, wipe with soft dry cloth regularly, protect scattered‑gold‑raven‑plume maki‑e lacquer and aged‑bronze alloy against oxidation‑tarnish.
Q: Can this spray‑kogarasu‑maru‑ancient‑raven‑legend themed katana be used for heavy cutting practice?
A: Delicate sanbonsugi hamon and fragile scattered‑gold‑raven‑plume maki‑e lacquer surface are fragile; only static heritage‑theme‑display & photo‑shooting permitted, heavy chopping is strictly forbidden.
Q: Similar functional down‑to‑earth tuoyuan‑practical‑workman‑art collectible samurai katana reference?
A: View practical‑iaido‑practice‑oriented samurai katana sword: Tuoyuan‑Katana.
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Katana parts names and terminology
Katana parts names and terminology
In the world of Katana, Katana parts names and terminology are very important as most of the Katana parts names use Japanese vocabulary and special nouns. This page can help you understand Katana faster.


A.SAKIKASANE Thickness of blade tip.
B.MOTOKASANE Thickness of the bottom of the blade.
C.KISSAKI NAGASA Length of tip.
D.SAKIHABA Width of blade tip.
E.MUNE The surface of the katana back.
F.MOTOHABA Width of bottom of blade.
G.MUNEMACHI The notch at the top of the blade stem,where the back surface (mune) of the blade begins.
H.HAMACHI A notch at the top of the blade,where the blade begins.
I.FUKURA The radian of the blade in the tip area.
J.BOSHI Blade text in the tip area.
K.YOKOTE The boundary between blade tip and blade body.
L.KOSHINOGI Shinogi-ji above the blade tip area (yokote).
M. MITSUKADO Intersection point of yokote and blade edge of blade body and blade edge of tool tip.
N.SHINOGI MITSUKADO Shinogi,Koshinogi und Yokote linien.
O.SHINOGI-JI Blade surface between shinogi and mune.
P.SHINOGI A chear straight line extending along the longitudinal direction of the blade is the thickest part of the blade (only appearing on katana of shinogi-zakuri) .
Q.JI The surface between shinogi and nioiguchi.
R.HA The edge area of the cutter body is hardened by quenching.
S.HASAKI Asharpened edge.
T.NIOIGUCHI A clear line separating the hardened blade from the softer part of the blade body.
U.ASHI Nioiguchi's extension line in the direction of the blade.
V.HACHO A straight line that determines the length of the blade.
W.SORI Degree of blade bending.
X.ZENCHO The total length of the katana,including the stem (the blade length is only the blade body).
Y.NAKAGO NACASA Length of katana stem.
Z.MAKUGIANA A hole in the shank for receiving Mekugi (bamboo nail for fixing the blade in the handle).
AA,MEI Inscription on the hilt (usually the name of the katana maker,but there are often other information).
Now that you have learned the terminology and proper nouns of katana through this article, you also design customize your ideal katana.
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