Check out the first in a new series by Terry Trahan about using knives for personal protection. In this one, he discusses pikal (reverse grip edge in) as an easy to learn, quick to apply, easy to retain, and highly effective method of self-defense.
Knives are a great option because you can often bring a knife to places that you can't carry a firearm. But it's essential to know what you're doing. Share your thoughts in the comments.