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Threaded wine corks:Currently on the market, all kinds of wine corks cork straight, every time you open the bottle opener must be used, and can not bare hands, at the same time turned cork bottle opener destruction, and difficult to use it again, making it impossible once finished drinkingwine preservation difficult, does not conform to the concept of environmental conservation. Therefore design this thread corks, still using the traditional cork material. The cork top half concave threaded, is easy turned reuse, convenient and environmentally friendly.