Cheap eBay clay bar

[bravotjet2008]

Hi all,

I found these blue (probably fake) 3M clay bars on eBay. I got one for 4€ delivered. I'll be giving it a try at my next detail.

Has anyone tried these kind of clay bars before and what are your thoughts?
http://www.ebay.com/itm/190-200g-3M...tem&hash=item3a9622b089&pt=LH_DefaultDomain_0

 

[Officina red]

People are raving about this www.halfords.com/motoring-travel/cl...iling-products/farecla-g3-body-prep-clay-mitt
On another forum i read.

 

[matt93]

Clay mitt is brilliant