Originally Posted by
CDTraveler
With the TSA, there is often a difference between the rules and the practice. I've flown at least 3 times round trip, so 6 times going through security, with the Swiss Army knife in my purse, and neither TSA nor Dutch or British airport security reacted to it. YMMV.
Several European countries and Canada allow small Swiss Army knives. The proposed TSA was inline with these countries.
TSA has never noticed the derma safe blade on my key chain which has been against the rules since 2001.