X-guard arises often enough from an attempted butterfly guard sweep, where your partner bases wide with their leg to stop the initial sweep. Once underneath, a whole new world of opportunities presents itself, as evidenced originally by Marcelo Garcia at the ADCC Worlds 2003, where he hit literally half a dozen varieties of X-guard sweep.

Over the years, the transition into submissions has become more and more emphasized as folks start to understand how to resist the sweep and leave themselves open to more submissions during the transitions, particularly if they're fighting the sweep.

Here are a couple of slick moves to finish your opponent during or right at the end of the sweep from X-guard.