noun
obi stiffener; obi board
A thin, stiff board or piece of fabric inserted inside the obi (kimono sash) to keep it smooth and give it a crisp shape. Common in traditional Japanese dress.
着物を着るときは、帯板を入れると帯がきれいに見えます。
When wearing a kimono, inserting an obi board makes the obi look neat.
noun
batten plate; stay plate
Technical term in engineering or construction for a metal plate used to reinforce or connect structural members. Not related to kimono.
この鉄骨構造では、帯板が柱と梁をしっかりつないでいる。
In this steel frame structure, the stay plates firmly connect the columns and beams.