It's because of the Ki energy

Masato Nakagawa is a Shinkiko Practitioner and the Chairman of SAS, Inc. Born into 3 generations of Shinkiko and complimentary practitioners, he is presently the leader of Shinkiko, founded by his father and master. Since his father’s passing in 1995, he has been actively spreading the wisdom of Shinkiko to the people of the world.

https://shinkiko.com/english/