Although the Yami men, who are engaged chiefly in fishing, have long worn tingtzu loincloths for ease in their work, during the 1970s the police chief of Taitung County sent the tribesmen a donation of more conventional pants and shorts and ordered the local police authorities to urge them to wear them.
蘭嶼四面濱海，捕魚是男人的重要工作，為了便於下海，他們老早就有了丁字褲，這也成為他們文化的一部分。民國六十年間，當時的台東縣警察局長認為丁字褲不雅觀，指示當地警局和分駐所，勸說居民穿上「褲子」，還募捐衣褲送給雅美族人。