The most advanced Daito-ryu you can find here.
This DVD instructs you by the plainest explanation how to operate gravity center

Master Masayuki AMANO, Shihan of Ishin-Kan Daito-ryu, who leraned Aiki-do and Daito-ryu from master Gozo SHIOTA and master Seigo OKAMOTO, instructs Aiki by the plainest explanation.This DVD provides a contents of the most developed Daito-ryu Aiki techniques which are easy to be mastered regardless of experience, age and physical power.

Contents:
(1) Aiki Age and Sage, the Only One Basic Action of Aiki Techniques
(2) The Variations of the Basic Action
1) Collapse the opponent by Hira-Te,open hand
2) Collapse the opp.by Uchi-Te, reversal grasping
3) Collapse the opp.by fist
4) Collapse the opp. who grasps your arm by Moro-Te, with both hands
5) Application Techniques of Aiki

Supervised and Instructed by Masayuki AMANO
He has 5th Dan of Daito-ryu Aiki Jujutsu. He learned Aiki-do from master Gozo SHIOTA at Yoshin-Kan when he was despatched there by Keishi- Cho, Metropolitan Police Department. He now works as a Shihan of Aiki-do at Keishi Cho. Later he became a student of master Seigo OKAMOTO of Daito-ryu to study the origin of Daito-ryu. In 2016 he has established Ishin-Kan of Daito-ryu Aiki Jujutsu and has been working for the development and spreading of Daito-ryu. He is entitled 7th Dan Yoshin-Kan Aiki-do and 3rd Dan of Iai-do acknowledged by All Japan Ken-do Federation.