Throw-Over style includes a multi-adjustable yoke which hangs the bags from the fender or seat, and also includes a quick-release bag connection to take off bags without disturbing the yoke or seat and a rear-mounted carry handle. Custom-Fit style has a strong, smooth backside and no yoke, designed to allow custom mounting to your motorcycle. All feature easy-open lid with lockable twist-locks and hook-and-loop closure.