Impossible objects #9: Door lock chain maze
It is described as an ingenious “thief-proof home door lock and chain maze”, but I’m not so sure.
It’s not so much that it is hard to let someone in, more that you can’t get out. A Kafka-esque entrance exit conflict.
It is made from Titanium Alloy and fixed in place with 10 different screws, apparently, and load-tested against 700 pounds of force…
Previous Impossible Objects we’ve covered: