Designer Youngdo Choi has come up with an interesting zip and lock system for travel bag. The system is called Lockeeper, which looks pretty simple by it’s actually quite practical and easy to use. Unlike the common travel bag that is only providing the hole for an external lock to fit in, Lockeeper’s lock is built-in to the zipper.
It doesn’t require key to open as Lockeeper’s lock is using number combination to unlock/lock the bag. Also, it’s quite easy to lock it up. All you have to do is to properly zip the bag and let the cylinder-like lock to meet up, press the small button on the both end of the cylinder, and you are good to go.