USB drives add a layer of protection to your data because you can always keep it close to you. If you want to be even more sure you password protect it. But that’s not enough for you, you want more. Then why not lock the entire USB drive itself? You insert the 16GB USB drive into this round gear and lock it. No one can take it out except the the owner of this item who knows the secret combination of positions for each of the four gears. These 4 gears have to be in exact position for this machine to release the USB. It also looks very retro cool so it is a nice accessory to take with you. You can even put it on the table among other collector items and no one will suspect that it is hiding USB drive.