noun
obi clip; sash fastener; ornamental obi accessory
A decorative clip or ornament worn over the obi sash, often used with a cord (帯締め) to secure the obi knot. Common in traditional Japanese dress.
祖母の着物に合う帯留めを探しています。
I'm looking for an obi clip that matches my grandmother's kimono.
この帯留めは珊瑚でできている。
This obi ornament is made of coral.
Compound of 帯 (obi, 'sash') and 留め (tome, 'fastener'). The spelling 帯止め directly reflects the fastening function, while 帯留め is the more common orthographic variant.