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Open each other / Bottle

Open each other
Open each other

When we want to open beer bottles, but can not find a bottle opener,we can only use the corner of the table to open the bottle or teeth open the bottle.I designed the glass bottle with a circular groove,two bottles can use this groove to open each other.

University

Beijing University of Technology

Beijing University of Technology
Beijing, China

bangzhu xiao,
Beijing University of Technology