A new take on snowchains

[chris aka zaphod]

http://www.wimp.com/schoolbuses/

Interesting notion!

[Norfolk Jim]

  I like the idea of lifting the red cover to flip the switch - just like arming up weapons!!!!

Might be a bit noisy under a car and rattle a bit when not in use.................. wonder if it ever took off?

[Audax]

That's crazy, mad and brilliant!

[banger]

That could almost be a Saab feature.