:doublebird: You may want to check out this forum thread.
There seems to be a bit of interest. http://www.supraforums.com.au/forum/showth...p?threadid=4856
The product being discussed there is a world leader in its technology & is certainly not a gimmick or fad. I've used the product you r talking about here on Rolla & it doesnt compare at all.
It also mentions a bit on how alloys are held by magnets and why.
Cheers.