Yuki along with Katsugen Undo are base Seitai practices.

They usually take place between two people, an actor and a receiver. First concentrates and signals the receptor’s tension or blockage (TPE: excessive partial tension) and makes it aware of its own state that it did not feel before. How he is recovering the amplitude of his movement, how his psyche is not so overexcited and his breathing calmer and deeper.