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Easy opening bottle cap
We may often be annoyed for no bottle opener when we are drinking on a party. This design cuts a breach on the bottle cap and then two bottle caps can be close. We can open a bottle by another one at last.
fuzhou university
Xiamen, China
Fuqin Liu,
fuzhou university
Zhengqiang XU,
fuzhou university
Jing Yang,
fuzhou university
Jun Yan,
fuzhou university