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Easy Open / Household/Tableware

Easy Open
Easy Open

We used glass jam jar is usually threaded, in order to ensure the tightness of the bottle, it has a snap clamp inside the cap, and as such is not easy to unscrew the cap, especially for women, it is not easy. Therefore, there is a bump in the cap side to increase the contact force point to reduce the use of force to make open jam jars easier effort.

University

Chengdu University of Technology

Chengdu University of Technology
Chengdu, Sichuan, China, China