It says the price index contained this amount of beef, this amount of sheep wool, this amount of sole leather, and this amount of corn; that was the first consumer price index ever used for financial contracts.

指数中包括这些数量的牛肉,这些数量的羊毛,这些数量的鞋底皮,这些数量的玉米,这是在金融合约里出现的,第一个消费者物价指数

耶鲁公开课 - 金融市场课程节选

Launched in Switzerland in 2008 and brought to America in 2010, Hirzl is a manufacturer of bike gloves and golf gloves that uses a combination of cabretta (sheep) leather, mesh and kangaroo leather.

FORBES: Hirzl Making a Case with Kangaroo Leather Glove

Saddlers declared by their peers to be using sheep's leather, deemed to be an inferior way to finish a saddle, were slapped with hefty fines.

BBC: Lessons from history: Can royalty guarantee a free press?