obi padding; sash stiffening; thick obi sash
Refers to the inner padding or stiffening material sewn inside an obi (kimono sash) to give it body and shape. Can also refer to a thick obi itself, though the padding sense is more common.
Inserting obi padding gives the sash firmness and makes it easier to tie.
This obi has thick padding and a sturdy finish.
Standard kanji spelling for the padding or stiffening material inside an obi sash.
Variant spelling using 心 (heart/core); less common than 帯芯.
Compound of 帯 (obi, 'sash') and 芯 (shin, 'core, wick, padding'). The spelling 帯心 is a variant using 心 (heart/core), but 帯芯 is the standard form.