This is the second of a four-part article about the security of mechanical locks and how they can be easily compromised, often in seconds, with simple to sophisticated tools that are readily available ...

Ever seen a lock with a round key and thought what wizardry it is? That’s a tubular lock, although some folks call it an Ace, ...

How neat is this little U-Lock tool? It's a 15mm wrench – the size of pretty much all axle-nuts – in the form of a sleeve which slides onto the barrel of a Kryptonite lock. The chromed steel tool fits ...

Within the fields of everyday carry and travel security, the zipper lock is a category whose core structure has rarely been reexamined. For decades, most designs have relied on keys or simple ...

Senior Editor Mike Allen offers brief answers to readers' car questions to complement the ones we run in POPULAR MECHANICS magazine. Q: I have been using lockout tools for years to remove keys for ...

The innovation that makes the Bowley Lock so secure, its creators claim, is a design approach that existed decades ago, before metal keys could be easily reproduced. Inside the Bowley is a spinning ...

Best U-lock: Kryptonite New-U New York Fahgettaboudit Mini Best chain lock: Kryptonite New York Fahgettaboudit Chain 1415 & New York Disc Lock Most secure bike lock: Hiplok DX1000 Whether you ride ...

In this busy world, a lot can happen in a minute. You can order a coffee, send a tweet, check your email—or lose your unlocked bike to an unscrupulous thief, who will post it on Craigslist in a ...