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It is a special lock designed for the blind people. The blind can know the unlock position by the dent in the surface of the lock. The characters on the surface of the lock correspond to Braill from A to J. The blind people can feel Braille by touch sensation and easily open the lock. With this lock, the blind people can easily lock their drawers, bags, cabinets and etc.
Zhejiang University
Hangzhou, China
Weiwei Mao,
Zhejiang University
Xin Min,
Zhejiang University
Kuan Cheng,
Zhejiang University
Siqi FU,
Zhejiang University