The Unholy Rollers (1972)

"A locker room look at the toughest broads in the world!"

Karen wants more action out of life and quits her job at the cannery to become a skater in the roller derby. She encounters friction from the other skaters - especially Mickey, the current number one star of the team. Karen proves herself a feisty competitor but refuses to be a team player. As she skates her way to roller stardom, she incurs the wrath of jealous team members and the owner of the team.