Below attached you could find the link to the trailer of the latest Waden-Ryu DVD.
Enjoy
https://www.facebook.com/watch/?v=439841124320521
一点全集中!手裏剣術で開眼|BOOK | 武道・武術の総合情報サイト WEB秘伝 (webhiden.jp)
Hakkoryu Jujutsu & Koho Shiatsu
http://seiryukan.syuriken.jp/index.html