Zok - sealed not once used migraine relief

How ZŌK Works - ZŌK provides relief by stimulating the tympanic membrane, which activates the trigeminal nerve and a number of cranial nerves through inner-ear pressure modulation, thereby providing instant alleviation of stress, pressure, tension and pulsating discomfort. outstanding for everyday use. first-class materials and excellent craftsmanship ensure long-lasting durability.