Archive for September 22nd, 2007



Lock Bumping is simply a way of unlocking without the correct key.  It has been used for years by thieves and locksmiths alike, but now — mainly because of the internet — more people know about the technique.  The answer is not to buy a upVC door and have a standard lock — get an old fashioned mortice lock!

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As a result of the media fuss over in the ‘states, there are now “bump-proof” lock available at hardware stores!

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Using a bumping key — with the rubber rings or not, is just a form of raking — which in turn is a type of picking.  It’s all about lining up the shears in the pins and then turning to open the lock.