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This is a design for dual use. First of all, it can be used as training wheels on a kids bike and helps an adult to support the child who is learning to ride. Secondly, it can serve as a shopping trolley, which is particularly useful for elderly people who cannot or do not want to carry heavy bags.
Zhejiang Gongshang University
Hangzhou, China
Tenggao Shi (Zhejiang Gongshang University)
Yujuan Zou (Zhejiang University)
Danshuang Li (Zhejiang University)
Limin He (Zhejiang University)
