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Did your umbrella ever been stolen?
This umbrella is designed with a lock which needs a set of personal codes to unlock it. Thats, the thief would give up as it cant open without the codes. Thus, it can prevent being stolen.
National Taipei University of Technology
Taipei, Taiwan
National Taipei University of Technology
Taipei, Taiwan
Cyuan-Yi You, Yu-Ren Lai, Wei-Lin Hsu, Tai-Yun Chen