The 72 Hz weighted tuning fork can be used anywhere on the body. The frequency spreads through your whole being and shifts you into your center. It relaxes the mind and allows a calming nature to occur. It allows you to establish and maintain a healthy conductivity within your body. It promotes healthy circuitry for optimal grounding throughout your system to be in harmony with the Earth. During a tuning fork session it is used with the weighted 54Hz fork, creating a binaural beat to bring a client into a deep state of relaxation. Storage pouch included.