Obidome

A decorative piece, rather like a brooch, through which and obijime is threaded. The obidome sits at the centre front of the obi sash and, when an obidome is worn on an obijime, the obijime is tied at the back, inside the rear obi knot
Found on http://www.wafuku.co.uk/glossary.htm

obidome

A small decorative item placed in the front, middle of the obiage.
Found on http://www.northendkaratedo.com/Website/glossary.htm
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