How about the metal tape used for glass break detection in alarm systems ,
radio shack used to sell it?



Peter van Hoof
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mailto:pvh@vertonet.com
http://go.to/pvh


>
> There's a metal backed tape someone suggested, used for interior
> decorating;  I've looked but couldn't easily find some.  I know I've
> seen adhesive-backed copper and gold tape sheets, but that gets
> pricey...