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Shaking Bottle Cap / Shaking Bottle Cap

Shaking Bottle Cap

There are a dent on the bottle cap and a convexity on the bottle. When tighting the bottle cap,the convexity will reach the dent that indicates the bottle cap has been tightened.

University

Hubei University Of Technology

Hubei University Of Technology
Wuhan City, China

Design

Hubei University Of Technology

Hubei University Of Technology
Wuhan City, China

Hetian Li,Binbin Ding,Wei Gao,Dafei Yu