Here are some clips illustrating the movement principles we teach in randori.

Explanation of Working the Centers

Working the Centers - medium speed example

Working the Spaces - Explanation

Working the Edges - explanation

I hope this is useful. If anyone finds this helpful. I do have a CD-R which is a PowerPoint outline of these principles available (the clips are from that CD-R). It has to be viewed on a PC and is designed to take a lap top to the edge of the mat and work off it.

Randori Video Manual