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In daily life, there can be a moment for you like this: it is hard to open a plastic bag when you pull it off. This design adds raised points to increase friction, meanwhile, those points tell users where the opening is, resulting of a more convenient way to open plastic bags.
Ningbo University
Ningbo, China
Lei Li,
Ningbo University
Qiaoming Xie,
Ningbo University
Shuting Liao,
Ningbo University
Jianxiong Chen,
Ningbo University