Official Queen City Roller Girls (QCRG) Merchandise Official merchandise for Buffalo’s own Roller Derby group, the Queen City Roller Girls. Nothing’s more retro or hotter than a girl in skates and a QCRG T Shirt! Cats Like Us carries general QCRG merchandise and all teams including the Alley Kats, Devil Dollies , Nickel City Knockouts and Suicidal Saucies. About Roller Derby Queen City Roller Girls (QCRG) is a skater owned and operated flat-track roller derby league in Western New York. QCRG is continuously committed to the reviving and redefining of the classic sport of roller derby, with a 21st century twist. Flat-track roller derby is a full contact sport played by independent, strong women. The QCRG have their bouts at the Rainbow Rink, in North Tonawanda, NY. Find out more about the QCRG here.