EPC Videos: Contour Cajon in action played by Founder of EPC

https://youtu.be/KK8xKQtmVBw
https://www.youtube.com/watch?v=6tc7BkAaCKE

https://www.youtube.com/watch?v=JJF3rvq_dh0

https://www.youtube.com/watch?v=VtgOZymEnX0

https://www.youtube.com/watch?v=G4yr_0vmCbc

https://www.youtube.com/watch?
v=WtvZ4lwhUnQ