With all the uncertainty of 2020, the art of self-defense has never been more important. Civil unrest and urban chaos have a lot of people thinking about self-defense tactics as never before. Of course, not everyone has military training or skill in choosing and using self-defense weapons. But keeping an edge weapon (a knife, in other words) on one’s person is a good way to level the playing field. Besides, knives are an excellent tool to have on hand for a variety of different purposes. So, here’s a look at six edge weapons to help boost your self-defense skills. 1.…