Bike Lock Keeps Your Bike Safe By Putting It Out of Thieves' Reach
A German company called Conrad had developed the ultimate bike lock. The making of video (below) shows how it works.
There are a few problems with the idea. For one, it certainly isn't the most portable of security devices. For another, we only hope no one, either because they don't notice your bike, or because they are complete a-holes, decides to hoist their bike up the pole beneath yours.