面似靴皮
      Explanation: Their skin like leather boots. Described as wrinkled.
      Source: Xiu Song, "recorded the Country Life," Volume II generous field element are elderly people, and its three togethers, deep dry you tired of those who, although not from, then do not want to resist the steep, strong laugh at each temperature Yan, Chang Wei of people said ' Division for three years to make, strong laugh more than men, and straight face laugh like leather boots. '"