We’re unabashed in our love of the YouTube account LockPickingLawyer not only because we’re lock geeks, but because he brings the ideas of locks and the work of a locksmith to the masses.

While he’s famous for tackling hard or consumer grade locks, he recently uploaded  a video where he unlocks an old 1960s Jiffy Telephone Lock. The nostalgia factor here may be heavy for some and, for others, they might not have any idea what this contraption was ever used for!

When is the last time you used a rotary phone?

Watch the video here.