I just got back from a daylong primitive skills class that taught flint knapping basic stone tools, cordage making, and fire by bow drill. I have made cordage already and I have been successful with a bow drill previously but I had no experience with stone and knapping. The class was taught by Ben Kirkland (chehawknapper on GON Forum) he really know his stuff. But the stuff we covered on just basic stone tools really opened my mind. He taught us how to take a spall of the rock. And if done right gives you a razor sharp edge. And I mean razor sharp all of us were able to get edges that made the hair on your arm jump off. He also showed us how to pressure flake a saw type or serrated edge that made a good saw. The other technique he showed us was how to put a single bevel on the stone to use it as a scraper. Bear in mind though, these tools were not hafted or have any resemblances to looking like a knife or modern tool. But they were still very functional tools none the less. I know what he showed me today was just minor speck in the world of knapping but man great skills to know. This has really sparked my interest in knapping and something I plan on getting into more. I know this is probably old news to some and especially those old knappers. This does not mean that I am going to start leaving my Gossman at home neither. I guess one questions to others is how much thought have your given to stone tools as a must have skills. We talk alot about fire by friction and other survival/bushcraft skills but I do not ever see much talk here on this. I really think this is a skill alot of us overlook and under estimate.