I don't write many reviews but definitely wanted to after returning from Paris where a pick-pocketer attempted to get into my purse while on an escalator in the Metro. My crossbody bag had shifted to my side and I felt a slight tug. I turned around and the person behind me just pulling his hand away from my bag. The theft deterrent clasp worked! He couldn't get in. I highly recommend Travelon products and this is proof positive they work - thank goodness!!!