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The
Kogarasu Maru was designed with a curved double-edged blade approximately 62.8 cm long. One edge of the blade is shaped in normal tachi fashion but, unlike the tachi, the tip is symmetrical and both edges of the blade are sharp, except for about 20 cm of the trailing or concave edge
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light novel series, the main protagonist Hajime Nagumo crafted a black
Shirasaya Katana with a double edged black blade named Tsumehirameki, its design resembling Kogarasu Maru.
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The
Kogarasu Maru is currently in the Japanese Imperial Collection. The tang of the Kogarasu Maru is not signed but the blade is believed to have been made in either the early
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186:(腰樋) style groove runs from the tang to the transition point where the blade becomes double-edged, and is invariably accompanied by a
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Though rare, Kissaki Moroha Zukuri style
Katanas have also been featured in Japanese novels, manga and anime.
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blades exist from this era, but many other blades of this type have been created throughout
Japanese history.
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158:(小烏造), since the blade of the Kogarasu Maru is shaped this way and is well known for its distinctive
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162:. The Kogarasu Maru is unique as a bridge between the old double-edged Japanese
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An anthropomorphized version of
Kogarasumaru appears in the browser game
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154:(鋒両刃造) blades like the Kogarasu Maru are sometimes referred to as
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sword believed to have been created by legendary
Japanese smith
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190:(添樋). The hardening process yielded a straight temper line (
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237:Arifureta: From Commonplace to World's Strongest
59:but its sources remain unclear because it lacks
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410:This Japanese history–related article is a
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315:The Japanese Sword: A Comprehensive Guide
90:Learn how and when to remove this message
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317:. Tokyo: Kodansha International.
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170:) and the traditional Japanese
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322:The Samurai Sword: A Handbook
414:. You can help Knowledge by
351:. You can help Knowledge by
324:. Boston: Tuttle Publishing.
276:was named after this sword.
143:during the 8th century AD.
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461:Individual Japanese swords
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106:Kogarasu Maru and Koshirae
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264:Sekiro: Shadows Die Twice
270:A Storm Rider team from
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74:more precise citations.
471:Japanese history stubs
255:Highschool of the Dead
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320:Yumoto, John (1958).
313:Sato, Kanzan (1983).
152:Kissaki Moroha Zukuri
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273:Air Gear
204:or late
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210:Amakuni
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