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When it rains, we come into the house from outside. At this time, the priority is to find a proper place for the umbrella.
Usually on often put the wet umbrella at the door or casually throw the folded umbrella on the ground. However, casually throw on the ground will make the umbrella dirty, while the unfolded umbrella occupies space.
The" tumbler umbrella " will convey the focus of the umbrella to the handle. According to the tumbler principle, it is convenient, nice and save space because the folded umbrella can casually stand on the ground by itslef.
Zhjiang University of