Design Placebo: Seatbelt Knife

The Gerber Daily Carry Hook Knife is designed to save lives, but it goes about it in a sneaky way. It's marketed as a device that "can be used to quickly cut yourself out of a piece of clothing, seatbelt or other safety strap, should you ever get stuck in a tight spot." And, okay, that's true - but the real effect is to make carriers feel comfortable wearing seatbelts in the first place, without worrying about being trapped later. So it really saves lives by convincing more people to fasten their seatbelts - not by cutting anyone out of them!
[via Core77]

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