Introduction The rule of “Two is one, one is none” applies to almost all preparations. But what happens if once we’re safely in our shelter, we discover we’re missing a tool? In a WTSHTF situation, with no way to go out to a hardware store or have an online store deliver it to your doorstep, this situation would be catastrophic unless you had basic tools and knew how to build your own. With makeshift materials (as some military manuals call them) when there isn’t anything else suitable available, you can build a tool for yourself that will do the job. … The post The Art and Science of Tool Making, by Grandpappy appeared first on SurvivalBlog.com.