Approved by the British Columbia Motor Vehicle Act. The Norwegian company AutoSock AS is the inventor of the new supplementary grip device category car tire snow socks, suitable for passenger cars, vans and light commercial vehicles. AutoSock® is the brand of the patented product snow socks for cars and other kind of vehicles from AutoSock AS, designed as a “First Aid Kit” in emergency situations, increasing considerably tire to road grip, traction, control & safety, when driving on snowy and/or icy roads: