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On rain day，it is a really trouble thing that you need receiving calls or take some other things while you one hand take an umbrella，This design adds a retractable hook at the botton of an umbrella handle.While freeing when you need to pick up the phone，you can used the hook out to temporarily suspended。 It solned a trouble that you could not easily free you hand to use the phone on rain day nolonger have to worry about your hands free on rain day.
Fujian Normal University
Minan Science Technology Institute
Quanzhou city, China