This $80 tool is billed as an "11-function multipurpose tool designed to assist first responders in faster and more efficient passive entry", but it looks like an unusually gimmicky specimen.
More: https://ignitionusa.us/product/searat/
Previously:
Pull-through key that forces you to lock door after opening - video
Tape measure sliding door mechanism - GIF
Modified doorway for paella - GIF
Unique folding door design - video
Bird works door motion detector - GIF
Dinner fork door lock - GIF
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