Yak hair has a number of uses: > Yak fiber wool has been used by nomads in the Trans-Himalayan region for over a thousand years to make clothing, tents, ropes

Yak hair has a number of uses: > Yak fiber wool has been used by nomads in the Trans-Himalayan region for over a thousand years to make clothing, tents, ropes and blankets. https://en.wikipedia.org/wiki/Yak_fiber https://en.wikipedia.org/wiki/Yak_fiber Yak hair has also been used for wigs and costumes. The Chewbacca costume from the Star Wars trilogy was largely made of yak hair, as were Spock’s eyebrows on Star Trek. However, this Stack Exchange answer suggests that yaks are typically combed and sheared rather than shaved: https://skeptics.stackexchange.com/questions/28217/do-yaks-get-shaved https://skeptics.stackexchange.com/questions/28217/do-yaks-g...