If you are in need of a perfect pocket tool bag, then you should settle for the Leatherman Wave bag. This tool bag comes with up to 17 tools that can be used for different jobs at any time. The Wave, as it is commonly referred to, is the one of the most popular multi tool bags in the world. The Wave is made from stainless steel, an ideal material for carrying different tools in without collapsing. The bag also comes with a nylon porch that can be fit around the belt.