Most us who've had school lockers or rental storage units know that lots of people trust inexpensive padlocks to secure their belongings. Tactical studies weblog ITS Tactical proves that this trust is a false sense of security by opening the two most popular type of padlocks with shims cut from an aluminum soda can. Combination padlocks tend to only lock on side while keyed locks usually have a double-lock shackle. To open a single shackle lock, you create a shim by cutting out a piece of aluminum shaped like the letter M.
2010 was a huge year at Lifehacker, and we spent the month looking back at the biggest and best posts of the year. Here's one last look back at the best of 2010 in case you missed anything along the way. Most Popular How-To Guides of 2010 We cover a lot ground every day on Lifehacker, but our greatest pleasure comes from putting together in-depth, step-by-step guides, making complicated tasks easy to do yourself. Most Popular Top 10s of 2010 Each Saturday, we pore through our favorite tips and tricks to find 10 great hacks surrounding any subject, from food and thumb drives to browsers and Wi-Fi.