Carpenters, painters, plumbers, electricians and homeowners: give your back and knees a break with this portable, easy-to-build seat/step stool/tool box/work surface. It will make long work days go easier.
We use every day hundreds of objects, we use them with ease, almost as an automatism. That's how we've always utilized them, no way it's the wrong way, right? Nothing could be more wrong! Here are 15 items you've been using wrong your whole life.