Carrier systems as accessories for motor vehicles, namely, tow bars for motor vehicles, towing brackets for motor vehicles, luggage carriers for motor vehicles, transport boxes for motor vehicles, namely, roof rack storage containers and tow trailers and carriers; bicycle racks for vehicles, roof luggage racks for vehicles, platforms for motor vehicles, namely, towing platforms for towing vehicles and other cargo, carriers for the transport of sports equipment for fixing on the roof or on the...