It's like something out of James Bond's "Q" department: Some very strange British anti-crime designs from the late '50s and early '60s have been archived by UK-based media company British Pathe, including anti-theft briefcases and a silly, if seemingly indestructible, bowler hat. While the entirety of the videos is unembeddable, here's a preview for one of them:
While we'd love to see more than the half-dozen or so items demonstrated, each video's only a few minutes long. The 1959 one can be viewed here, the 1961 video, here.