Defendius

Pretty sure this one’s a “today-only” sale item –

This innovative lock is designed by Art Lebedev Studio… responsible for the amazing Optimus Maximus keyboard with a tiny screen on each key. Constructed of 100% titanium alloy, nothing less than a level forty-two spell of ultimate cutting will break the Defendius lock open. Really, just look at it: no one is getting out easily. You’ll have to guide the lock nib through the labyrinth before you can open to door. There is only one solution, so no cheating will help. Maybe when confronted with the Defendius Labyrinth Security Lock, your date will reconsider your offer of playing the game of love in co-op mode. And don’t worry, these locks were tested by robots and confirmed to be the strongest lock commercially available. So, install a Defendius Labyrinth Security Lock today, and make sure your next date gets to the bonus level.

Remember to take the dog out before he has to go!
(Well, I guess there’s always the fire escape.) – Defendius Labyrinth Security Lock