I took Hapkido as a gym class, and after the first week, the instructors brought in some students from their dojang and put on a demo. I asked if I could record it, and they said yes. I threw their footage onto music from the Medieval Times soundtrack.

The dips to black serve two purposes. Artistically, it helps drive up the pace like a heart beat. Functionally, it covers the jarring effect of staying in the same location and jumping forward in time, as well as slight jump cuts.