This is supposed to be the ultimate fighting knife. I don’t know much about knife fighting or fighting knives, but any male should be able to spot the fundamental design flaw in the knife. (Look to nature) United-cutlery-cyclone-combat-knife/
Consider the penis; it is shaped in such a manner so as to keep one’s hand from slipping off the end. This feature prevents one from inadvertently striking oneself in the face. This knife has no guard to prevent one’s hand from sliding down on the blade when used as intended, like a stabbing implement.