Koiguchi Kun is a leather spacer that fits over your habaki and prevents the habaki from seating all the way into the koiguchi of your saya. This saves wear and tear on your koiguchi because of temperature and humidity changes when transporting your sword or just storing it for the next training session.
Because of the cost of making these, I will ask for a minimum order of 5 pieces.
Ask about Your Kamon of choice options....
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