I guess that would be the "Cloak of Invisibility" (as in Harry Potter):Bob wrote:Now I'm looking for the skirt of invisibility, the one that makes one so invisible that they don't see the skirt OR the person! Or maybe a robe (dress?) of invisibility would be more appropriate here.
http://en.wikibooks.org/wiki/Muggles'_G ... lity_Cloak
http://dsc.discovery.com/news/2009/01/1 ... cloak.html
http://www.usnews.com/articles/science/ ... cloak.html