So use a ballpoint pen on the zipper.  You jam it in the nylon teeth so they separate, and you can loot the bag. Afterwards, use the zipper pull to heal the teeth and there&#x27;s no trace you were in there.<p><a href="http:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=wpIJVWXsBBI" rel="nofollow">http:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=wpIJVWXsBBI</a><p>To counter this (and unauthorized use of a TSA key), wrap your bag in industrial cling-wrap plastic.<p>You should also go right to baggage claim when you land. Most airports don&#x27;t have someone looking at the bag claim receipts, so thieves can walk right out with a bag.