An alert of a different nature this time. I'd advise to stay away from "Claw-trax".

Australian 4WD Action | Forum - View topic - Claw-Trax ? a Chinese knockoff to Maxtrax - (Finally)

Disclaimer:
The guy who makes Maxtrax is a mate of mine, so you may call me biased. Also, please note that Maxtrax has previously donated their product for give-away at the Defender day out, and are genuine supporters of the 4WD community.