I would like to introduce「Petchurin 」 of 『Toon-ryu Karatedo』 which is one of the styles of Karatedo. I would like to post the video.

I was able to learn from Kai Kuniyuki Master and it is said that it is related to 「Supar Rinpei」 of Okinawa Goju-ryu Karatedo.