If you search for the you are looking for the definitive text on the Sabaki principle.

The book serves as the foundation for and focuses on:

: Strategic placement (Position over strength) to stay safe while countering.

Hideyuki Ashihara (1944–1995) was a prominent Japanese martial artist. Originally a high-ranking instructor in Kyokushin Karate (under Mas Oyama), he eventually branched out to form his own style, Ashihara Karate , in 1980.

: The central pillar of the style. It involves circular footwork to move off the opponent's line of attack and into their "blind spot," using their own momentum against them. Practical Fighting Kata

Hideyuki Ashihara (1944–1995) was a legendary Japanese master who transitioned from Kyokushin karate to found his own system, Ashihara Kaikan