Oh, by the way - the covering your belt with your hand thing doesn't work, either. And the precious metals in a ring aren't going to set the detector off.
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I noticed that from my wedding ring, but how then can they prevent someone from smuggling a platinum knife onboard?
True but ceramic is cheaper and more effective. Hell some ceramic and other non detewectable items as well as some non brass cased ammo and you have a gun...
Originally Posted by Bruno
Well, Osama B. is a multi millionaire. Platinum is extremely expensive, but you could make a pretty good knife out of 50K euros worth of platinum.