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I always got in trouble when I used the spray. If my finger placed too forward of the cap, the spray would splashed out on my finger, and if I tried to move my finger backward, the center of gravity would be unsteady, it would be hard to spew out the liquid. And I felt so annoying about that. So I decided to design a product to solve these problems. The injector is ergonomically designed as an arc, which supremely fits man's fingertip. Once you put your fingertip on the circular sheet, the pressure spot will be immobilized. It largely simplifies the spray process , which embraces great convinence and prevents users from any uncalled headache.
Zheng Zhou University of Light Industry
Zheng Zhou, China