Surujin
The surujin or suruchin is one of the traditional weapons of Okinawan kobudo. It comprises a 2-3 m long rope with a weight tied to each end. Historically this weapon is very prevalent and can be found attached to a weapon or used separately.
Surujin

Leo Scott Britt,III · CC BY-SA 4.0
- Field
- hidden weapon.
- Region
- Ryukyu Kingdom.
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Documentary evidence
Documentary basis
Authority files
wikidata · Q1934406 · wikipedia · Surujin
In this article
Usage
Usage
It is a weapon designed for warfare. • Illustration — A surujin of rope and two stones.
In more recent times, specifically the end of the 19th century and early part of the 20th century, the surujin appeared as a weighted lightweight chain varying in length between 2-3 m in length. At one end was a weight and the other a metal spike. The weight was used to throw at an opponent or to ensnare a weapon and the length of chain was then either pulled to unbalance the enemy or used to entwine them using techniques similar to that of hojōjutsu. The spike was then employed to disable or administer a coup de grâce. It belongs to the broad class of chain weapons. These are quite similar to the ninjutsu manriki.
Gallery
Gallery
• Illustration — Okinawan chain surujin • Illustration — Okinawan spiked chain surujin
Places
Named by the record
Places
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Ryukyu Kingdom.
Country
Surujin is associated with Ryukyu Kingdom.
Country
Primary material
Documents and archives
reference work
- “Surujin”, English Wikipedia, consulted as further reading
Reputable secondary · Wikipedia
authority record
- Wikidata, structured authority record Q1934406: Surujin
General reference · Wikidata
Text attribution
Licensing
Text attribution
Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article Surujin, revision 1364596807 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
Notes from the source article
Cited by Wikipedia
Notes from the source article
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References
Citations
References
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reference work
Secondary witnessauthority record
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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