Certain tools are essential for any home handyman. Crosscut saws, hammers, cordless drills, squares, and screwdrivers all come to mind. But there are many less-common implements that can take your craftsmanship to the next level without taking your wallet for a ride. One of those is the simple contour gauge. This inexpensive device uses an array of sliding pins to capture odd shapes that can then be transferred to another surface for cutting. It’s not a tool that will play a role in every project, but when called for, there is no substitute. Here are a few places where a contour gauge comes in handy.