The best frequency is 3 to 4 periods each day, with the head resting on one particular aspect. If you can, consider to do this very first thing each morning and once again before bed for a minimum of two weeks straight for the top success. Our articles or blog https://www.google.com/maps/d/u/0/edit?mid=1ts2G9OllAobe6x2_vqGgzcK_BhDRfIQ&usp=sharing