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Can any body help me who has invented the trick titled "Linking Ring and Chain". In this trick the ring gets knotted to the chain when the ring is dropped. The entire trick is done using one hand.

In case if your are known, performerd this trick, please put your views about this trick.

Also mention where can I get any information about this trick.

I happened to get the below mentioned link for the trick I had mentioned earliear.
http://www.magicvideodepot.com/view.php?a=v&t=4157

thanks