IAITO KOIKUCHI-KUN

This is a protective accessory for leather-made iaito or shinken, designed to prevent looseness in the tsuba (handguard) and koiguchi (scabbard mouth).
It helps prevent the koiguchi from loosening during transport of the iaito.
Using it with a new iaito will help maintain a secure koiguchi for a longer period.

Thickness: Approximately 2.5 mm
Diameter: Approximately 7 cm
Made of genuine cowhide leather

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