Sagi Machiwara by Onaga Yoshimitsu Kaich.

Onaga Yoshimitsu Kaichō demonstrates the basic use of sagi machiwara or sagi makiwara (a hanging makiwara). This tool originated hundreds of years ago from Okinawa Ti. Onaga Yoshimitsu Kaichō explains basic concepts developed by him at the Shinjinbukan School. Ultimate Okinawa Karate - A historical presentation of the three original Okinawan Karate styles by: Onaga Yoshimitsu (Shōrin Ryū), Senaha Shigetoshi (Gōjū Ryū), Shinjo Kyohide (Uechi Ryū) & others. Filmed in Okinawa in 2000.