are these a load of cr@p or do they work?

electrical stabiliser thingy!

http://cgi.ebay.co.uk/ws/eBayISAPI.d...980429170&rd=1

 

Suspect it's just pretty much an extra earth. Yes it may improve things slightly if you already have earthing problems but I wouldn't believe all the claims it makes.

To me, if it wasn't snake oil it'd give more info on exactly what it is and how it works.....