#HTE

These Hubcaps Automatically Deploy Snow Chains!

This is pretty wicked: Czech inventor Petr Gross, frustrated by the difficulties of getting snow chains onto tires, has invented a far easier solution. His pop-on hubcap design automatically deploys snow-biting spiked arms, and can even deploy them when the car is in motion:

http://www.core77.com/posts/60165/These-Hubcaps-Automatically-Deploy-Snow-Chains