The first submission I was formally taught by someone was certainly the step-over toe hold, at a high school wrestling camp held at Michigan State Unversity. We were basically taught it as a classic "concession hold", i.e., a move that hurts so much it would make someone concede the pin. And along your lines, I basically never used it, at least not in high school. And not for years and years after.First submission I ever learned was a rolling loop choke. Never hit it once in my life.