Strike together and put each one at a different ear. Strike together and use one at the front and the other at the back of the heart center to help create and opening of the heart. The combination of the sound frequency generated with these tuning forks opens one to the deepest memory in the subconscious to create healing and altar belief systems. These are especially powerful in this year where water is the significant element. We are water beings living on a water planet and the whale vibration can clear body memory of emotional trauma stored on a cellular level. ***All tuning forks are custom made to order. Please allow 4 to 6 weeks for delivery.