Otaiko-dome — accessory for obi knotting [Azuma-sugata No.655]
Convenient accessory for various ways, such as for tying a shell shaped knot on a han-haba obi,
or for fixing an otaiko musubi.
As for Otaiko-musubi (knotting), no need to tying obi, just pinching the obi wrapped around
your torso at the center of your back.
