Ki Breathing By Koichi Tohei Sensei -

The practice is designed as "whole body breathing" where the mind leads the body.

Tohei Sensei taught that our lives are part of the "universal Ki" and that breathing is the primary method to keep this conflux unimpaired. Ki Breathing by Koichi Tohei Sensei

According to guidelines from organizations like Boulder Ki Aikido , there are five specific principles for correct practice: The practice is designed as "whole body breathing"

After inhaling, settle the mind at the "One Point" in the lower abdomen. Benefits of Daily Practice Benefits of Daily Practice Tohei Sensei claimed that

Tohei Sensei claimed that regular practice, especially 15 minutes before sleep, could lead to increased vigor and health. Ki Principles by Tohei Koichi Sensei - Boulder Ki Aikido

The breath should make a distinct but barely audible sound (often described as an "a" sound rather than "h" to better engage the diaphragm).