ThrottleLock is a little app to lock your device. It will only be unlocked when a pattern is drawn on a grid of points.
Important: the default code is to click on the first point (the one on the top left corner).
By default the device will be locked automatically when goes into suspended state. Optionally you can also turn it on by executing the link at Startmenu > Programs > ThrottleLock. If you don't want the davice to automatically lock remove the link placed at \Windows\Startup.