Scientific test has proved, the shoe that wears on our foot, its weight is equivalent to bearing 6 times of weight, that is to say shoe is equal to a back one jin to lose weight again 6 jins.

• 科学实验已经证实 ,我们脚上穿的鞋 ,它的重量相当于背负重量的6倍 ,也就是说鞋子重一斤等于背负重量六斤。