Shíjiǔ shìjì de jǐnshēn xiōngyī cháng yòng jīngxū zuò zhīchēng.
Nineteenth-century corsets often used whalebone for stiffening.
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鲸须 is the keratin filter-plate ('baleen') hanging from the upper jaws of baleen whales (须鲸), not actually bone. Before plastics, it was prized for corset stays, umbrella ribs, and fishing rods, which drove much of the 19th-century whaling industry.
