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fair use is a use permitted by copyright statue that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favour of fair use. Video from PRINCE RAJ :):
![Flexibility Challenge. Contortion favorite tricks. [flexiblegirl] megym, gymnastics flex, headsit](https://i.ytimg.com/vi/d6a6O0SfpS4/mqdefault.jpg)
