This is the Kusanku karate kata performed by Sensei John Hutchroft. The kata was performed at the Cascade Village Karate dojo in Grand Rapids Michigan. The Kusanku Kata is taught to Nidan rank black belts in the Matsumura Seito Shorin Ryu-Koeppel Ha Standards. See the standards at the following link.
Hombu Dojo Matsumura Seito Shorin Ryu-Koeppel Ha Standards
John Hutchcroft, 9th Dan, Matsumura Seito Shorin Ryu, Koeppel Ha, is sensei at Okinawa Village Karate Dojo in Michigan. He is the President of the Okinawa Village Karate Association.