The secret to a locking zipper is in the pull tab. You need to flip the tab down if you want the zipper to stay closed.

This file type includes high resolution graphics and schematics. Engineers working on everything from laptops to cosmetic cases to glove boxes commonly use coiled spring-pin hinges because they can ...

We earn commissions from purchases you make using links in our articles. Learn more. The money spent on a trailer lock will be a lot less than the cost to replace a whole trailer if it gets stolen. If ...

When you're not using your trailer or camper, you can use your hitch lock to protect a hitch-mounted cargo carrier when you need extra cargo. If you're looking for an easy way to keep your trailer and ...

Of all the technology you use on a daily basis, you probably pay the least attention to the mechanical miracles that keep your home or your gym bag secure. Locks and keys have been around for ...