PREDATOR turns a USB flash drive into an access control device-a key for your computer. Use a USB Flash Drive to Lock/Unlock Your PCĭo you want to lock and unlock your computer with a physical key, like they do in the movies? With the PREDATOR tool, you can. Here are several cool things to do with a USB drive.ġ. You can also use a USB flash drive to quickly connect to a wireless network on all your PCs, increase your computer's performance, or even run a web server-directly from the USB stick itself. But did you know about the other uses for a USB stick? You can use one to lock and unlock your computer-just like in the movies. You've used USB sticks to transport files between computers and back up files.