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For women ,it often occurs that there are a lot of hairs twining arond the comb.And it is difficult to use because when they comb their hairs ,the comb will be stuck by the hairs.According to this ,we change the usual comb into a rolling one which will solve the problem effectively and make women feel comfortable in the morning.
Zhejiang University of Technology
Yizhi zhuang Dong wang Yuanzhong zhang Jinglu li