It's odd that man's oldest tool, the knife, is regulated to bastard status in self-defense.It's focus for study is often seen as after the fact, or in addition to. Yet it is the easiest to obtain, to smuggle and in some cases deploy.
As the saying goes "The man with a knife has a chance. The man with no knife has no chance"....and that goes for the ladies as well.
So get ready to get bloody, get low down and world class &$*#)%# mean.
The Dark Arts for Good Guys series is returning with a few articles on edged weapons of all shapes and sizes.