Concave Lock ~ A Keyhole for the Modern Drunkard

Well I’d be the first to admit that this is possible the coolest thing since sliced bread. If it isn’t immediately obvious you probably don’t drink enough. The Concave Lock is rather simply a concave surface around your a door keyhole highlighted by a green fluorescent ring (which glows in the dark) while the shape guides your key into the keyhole for seamless unlocking first time, every time.
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