Matt,
Go to the pain section of Virtual Mobility Coach
Go to Front of Knee scroll down past the Mobility RX to the Advanced Pain Techniques
Voodoo Flossing Explained
Voodoo Flossing can be used to restore movement, restore how tissues slide and glide, and improvements in range of motion. Impacting the areas above and below the knee can help improve what is experienced.
There is a lot more explained in the video.

A couple others to check out
Pro Episode # 39 – Voodoo Floss Primer: The Knee
Pro Episode # 32 – VooDoo Floss Series #1, Theory and Elbow

Those help to have a better understanding of it?