Video: Even if your carpentry skills aren't much more than having watched a few episodes of Better Homes and Gardens, it's still pretty common knowledge that a drill only works in a straight line. Or does it? Woodshop hacker Izzy Swan created a custom rig that can actually drill a curved hole instead. By welding a drill bit onto the end of a flex shaft attached to a curved rig, Swan's unorthodox creation allows a standard power drill to bore holes through wood that curve in any direction he needs. It's useful for running wires and cables through inside corners of a new home under construction, but also because the idea will melt your brain a little.