How to tie three basic knots for making quick, easy tarp survival shelters

Knots are survival tools. Here is how to tie three knots - the timber hitch, trucker s hitch and bowline - that are enough, in most instances, to set up an emergency tarp shelter. Please order my book: "Bushcraft Basics: A Common Sense Wilderness Survival Handbook" at your local independent book store: https://www.indiebound.org/book/9781510751910 or on Amazon: https://tinyurl.com/bushcraft-basics-book or at Barnes and Noble: https://tinyurl.com/Barnes-and-Noble Thanks!