Roller derby: How the sport 'empowers me'

Roller Derby is a predominantly-female sport and is not for the faint-hearted.

"It stops us from being afraid of being assertive or aggressive and taking up space," says Oxford Roller Derby team member "Wolf".

This video has been optimised for mobile viewing on the BBC News app. The BBC News app is available from the Apple App Store for iPhone and Google Play Store for Android.

  • Oxford