| 摘要 |
PURPOSE: A chamsul is provided to make a hole on a cover of the chamsul by reforming a bottle to the chamsul for leisure activity, and to conveniently and easily insert a spoon into the cover of the bottle. CONSTITUTION: A chamsul has a recess on a bottle cap(1). The bottle cap is reformed to conveniently make a hole when a spoon is put into. The chamsul is a name of an alcohol bottle. A shape of the chamsul is similar to a general alcohol bottle. The structure of the chamsul is designed to easily make a hole on the bottle cap.
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