Spearhead singer Michael Franti puts skates on for the first time since he was 15 -- at Golden Gate Park. Watch past the introductory part to see him learning how to do the "coffin" trick. Sk8GodFather shared this on YouTube.
This is pretty cool. From what I can tell, the rollerblader has something attached to his skates that is hitting the sides of the bottles to make music.
Selected techniques from the beginner's level curriculum to
illustrate typical Yoshokai Aikido movements from an
introductory level. Techniques are demonstrated at Genyokan Dojo in Ann Arbor, Michigan where Sensei Takashi Kushida (8th dan) teaches.