Four Corners for Lives / Four Corners für Lives

Four Coners for Lives aims to avoid the traffic accidents which are caused by drivers who have not replaced tires timely.There appeared many measures for expired tires,but thoes are too complex for us to finish each details patiently.We add 4-mini box,when the tires rub into dangerous area,The green skin will disappear and The red area will be exposed.Finally,we can judge wheather the tire need to replace by The Red .