Do you ever get confused when we talk about rim versus mortise locks? Are you just as likely to let the entire conversation slide over your head, and call a locksmith? Well, you don’t need to be familiar with drills or routers to install this door lock … nor do you have to worry about where your keys are before you duck down to the shop to buy some milk for breakfast. You do, however, need a little bit of electronics knowledge … probably a bit more than the blogger who wrote about this knock-operated door unlocker seems to assume the lay person has .

The apparently ‘decidedly low-tech unlock mechanism’, winding the rubber band around the lock handle might be a little hard to duplicate for those of us who enjoy the simpler times of the past … but are pretty cool nonetheless! Although, we agree whole heartedly with the comments of one of the blog’s readers, who says ‘Try and open that door when you’re drunk’!

          

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