British anti-theft briefcase, 1961

From a 1961 British Pathe newsreel called "Beat The Bandit", a remarkable anti-theft system for a briefcase:

As the man runs off with the case three telescopic poles spring out of it making the case impossible to manage, as well as crushing the man's hand pressing it into the handle of the case. It then has to be unlocked and deactivated with a key!

Amazing Anti-Thief Security Case! (via Schneier)