Knife made of Sapphire

This knife is made out of Sapphire – making it nearly invisible to any metal detectors.  Could be useful in some situations.


One Response to “Knife made of Sapphire”

  1. Your wrong, most modern “metal detectors” work by scanning for magnetic fields as well as material density. Which means that sapphire because it is more dense than your bone will set off the metal detectors, but feel free to try it out at the nearest airport I am sure the TSA’s will be happy to further explain their metal detectors to you.

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