| 摘要 |
A device and method for increasing tire friction is provided. The device is especially suitable for use on slippery roads, such as roads which have snow and/or ice. The device is permanently secured to the vehicle wheel assembly and easily installed over the tire for use. The device has a plurality of friction grips which independently move from an inactive first position secured to a sidewall of a housing center of the device to an active second position secured over the tire of the vehicle wheel assembly. |
