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From: eklhad@ihnet.UUCP (K. A. Dahlke)
Newsgroups: net.physics
Subject: anti-shoplifting devices
Message-ID: <179@ihnet.UUCP>
Date: Sun, 25-Nov-84 12:24:20 EST
Article-I.D.: ihnet.179
Posted: Sun Nov 25 12:24:20 1984
Date-Received: Mon, 26-Nov-84 07:54:54 EST
Organization: AT&T Bell Labs, Naperville, IL
Lines: 9

Anybody know how those anti-shoplifting devices work?
You know, those little plastic bars they stick on clothes and things,
and terrible alarms go off if you sneak one past the store exit.
When you buy the stuff, they remove the plastic device.
Is it magnetic, radio, or what?
They are quite small and light (and hopefully cheap).
-- 

Karl Dahlke    ihnp4!ihnet!eklhad