Here is a warning worth spreading around... Std disclaimer intro... Done the search to no avail, this might be in the wrong place, or have been done before, etc... Yet if it helps someone somewhere then it's all to the good. Lock Snapping and lock bumping is on the rise in Yorkshire, but let's face it this could quickly spread. BBC News - Rise in 'lock snapping' burglaries in West Yorkshire Lock Snapping - Lock Snapping Lock Bumping - Lock Bumping Resistance Cylinders If you have door locks like these, then it's time to call in a locksmith.