has anyone one used these or heard about these? i wouldn't mind hearing some feed back on these.

http://www.spikes-spiderusa.com/spider/SpikesSpiderx.html

i think someone on here said he put a setup like that on his steals wheels and uses them in the winter then puts other rims on the rest of the year

those look cool... wonder if they really work.. good idea

my friend has a set for his audi and they work fine. doesnt damage the rim either