When opening this product please shift it up and down. / If you open it to the left or right or apply strong force it may break due to metal fatigue. / Do not use with heavy or breakable objects. / The coating may peel off. / Remove any protrusions with nippers or scissors. / Stop use immediately if skin irritation occurs. / Do not use at high temperatures such as in a sauna、 or in very low temperatures such as when skiing. / Remove earrings during physically strenuous work or sports activities、before sleeping or while caring for infants. / Use and keep out of reach of infants. / Do not let the product become wet. / Immediately discontinue use if the product becomes deformed or damaged. / Keep away from fire and other sources of heat. / Do not use this product for purposes other than its intended purposes.