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Bottle open by bottle / Beer Bottle

Bottle open by bottle

we always find someone use their teeth to open beer bottle especially in outside . it's dangerous and harmful. we add a bottle opener in the bottom of the bottle, so that we will reuse the bottle to open other bottles. It's more convenient when opener is not avialable nearby.

University

宁波工程学院

宁波工程学院
中国 宁波, China