If you are a “prepper” and have planned to hit the woods for survival, then a study of the following article….
“Our ancestors walked our woodlands and learned to use the resources most modern outdoor enthusiast overlook. Essential woodland resources seem to be invisible to the modern eye. The stuff you’ve got packed in your woodcraft/bushcraft kit or bug out bag are consumable. You’ll eventually use up that roll of duct tape… or, more than likely, you forgot to pack it.”