This technique closing the ears with the fingers and then contracting the rectum with a contraction

With closed eyes begin to listen to the inner sound that is heard.

It is said a subtle vibration keep on escaping through our bodies by the way of the rectum.

By closing it which one of the 9 gates through which our life energy moves out of us we begin to hold energy and vibrations inside of us.

When you do this you would have a feeling of feeling filled up with the sound and this feeling filled up with the sound is very satisfying and fulfillimg.