Vacuum cleaner cord caught by elevator door - GIF

[Drew1966]

Here's a fun one... New elevators have optical door obstacle sensors instead of mechanical switches. There are multiple videos of people carrying in invisible-to-optical-sensor glass desk tops or wall panels, the elevator closes, and the moving car smashes the piece to a bazillion fragments.

Link please

[Elizabeth Greene]

Link please

Here's the only one I could find.

It's a real shame liveleak shut down. They were a FANTASTIC resource for teaching people why you had those stupid safety rules.