Survival Tube Cave For One

                           Survival Tube Cave For One                                 9'  long X  7' wide cheap tarp. Sale price: $4.99 at Harbor Freight Tools (in Utah). Duct taped long wise, both sides. Five pieces, 1/2 inch PCV pipe. With zip ties and PVC tees.  36" long (maybe?) Try one and adjust the length, and rope.