It always works! No batteries required! No “Signal” required!
Let’s face up to facts, a smart-phone or a GPS receiver will probably be dead when you really need it. If you don’t break or lose your compass it will always be available to you. Learn a bit about these very important survival tools & get one now.
How important is it to have a compass you ask? More important than “A pocket full of condoms in a whorehouse”! So that’s “Really, Really”, important!