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Coin Bottle Cap / Cap

Coin Bottle Cap

When you hands slip or do not have enough strength ,it is not easy to get the bottle cap off.The bottle can help you solve the problem .Put a coin into the slot and revolve smoothly.As long as you have a coin ,you can unscrew the cap easily anytime and anywhere.

University

Ningbo Institute of Technology, Zhejiang University

Ningbo Institute of Technology, Zhejiang University
Ningbo, China

Kejie Hu,
Ningbo Institute of Technology, Zhejiang University

Hui Wang,
Ningbo Institute of Technology, Zhejiang University

Mengqian Yu,
Ningbo Institute of Technology, Zhejiang University

Shuainan Chen,
Ningbo Institute of Technology, Zhejiang University