Within moments a demonstration was arranged by the sensei (instructor in Japanese). I was instructed to stand in front of him. He was small man, no higher than chest height to me and was about ¾ of my weight. He took my one of my hands and with the softest of grips and merely stroked the back of it. This energy is available to us all, it just needs some practice to tap into it. Below is some reading material on this fascinating subject