It's one of the roughest sports available for women to take part in.
Leicester's first competitive all-female roller derby league is now encouraging more women from Leicestershire to go along and give it a go!
Recently, they were awarded nearly a thousand pounds worth of funding to buy the latest specialist equipment.
Any new female skaters starting at Leicester's 'Dolly Rockit Rollers' or DRR will now have brand-new shiny skates and padding to wear thanks to legacy funding from Leicestershire County Council, and Leicester-Shire & Rutland Sport.
BBC Radio Leicester's Ben Marshall has been finding out more about the sport, and what the funding will mean: