鞋跟设计，提供额外的稳定性。
拱钢筋支持，通过最大限度地促进一个很自然的行走运动的鞋跟设计的有效性。
Reinforced support through the arch to maximize the effectiveness of the heel design by promoting a very natural walking motion.
“如果你只是看这鞋跟，你会立刻觉得它们应该不是设计得很好吧，它会折的，”设计师告诉cnn。
"If you just look at the heel, you are immediately going to see that if there was not the right engineering, it would break," the designer told CNN.
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