If you're traveling or out around town without a lock to keep your backpack secured, try this simple method to secure the zipper. Just pull the tab of one zipper through the other, then the second one ...

You don’t know how to properly seal a resealable bag. It’s not your fault. Pretty much everyone screws it up. People tend to close the zipper clumsily, allowing air into the bag. In the $1.6 billion ...