Made up from the families of the competitive Des Moines Junior Roller Derby Aces and Jacks teams. The Des Moines Junior Roller Derby Booster Club fosters and promotes national and international amateur roller derby competition; supports the members and coaches of Des Moines Junior Roller Derby competitive teams; assists with the organization, administration and promotion of competitive amateur roller derby bouts; and supports and promotes an atmosphere of goodwill and team spirit among young athletes both in and out of the rink.