Go Kat Go sells collectibles that are going, going, gone.. In Short These throw-back connoisseurs focus on the flotsam of doo wop days. Go Kat Go specializes in gear for the hot rods and rockabilly set, from car parts to poodle skirts. Looking for a childhood game or pop culture magazine? Authentic 50s garb? These nifty finds continually cycle through the store at affordable prices.