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Cotton swab is widely used in our daily life, such as after shower and after swimming to dry our ears.But there are some problems when use it.
First,we may hurt ourselves when the swab goes into ears too deep by accident.Many people hurt their eardrums every year.Second,we use only the two-side cotton ball, but the long wood stick in the middle is wasted.
The design concept is about two parts:the swab container design and the tiny swab design.When using, the wooden part of the tiny swab is inserted into the container, which has got a block on the top, providing safety. And the tiny swab design will save a great amount of timber resources
Beijing Institute of Technology