This tuning fork is utilizes the principle of vibroacoustics to project sound directly into the physical body.
Hit the top with the two weighted discs on it, and then place the stem directly onto the body. You can feel the sound go into you — a sonic massage tool. Use it to project sound into specific acupuncture points, acupressure points and other points and places associated with body therapies. The otto is a powerful vibroacoustic tool that resonate the cells of our body and tissues. Excellent by itself or for use in conjunction with body work therapies. Its frequency is 64 Hz.