If you have suffered for more than 3 months from persistent ear-ringing… Spikes of pain, headaches or insomnia… Top neuroscientists from the Wakayama Medical University, Japan, recommend to try this: First - place both of your thumbs under the ridge of the back of your skull… Moreover, it is 100% backed by science. See here all the details now! https://sites.google.com/view/extrasharpear369/neurocalmpro »