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Life-Car-Key / Broken windows device


The car keys designed by us is not only a key to start up a car, but also can save a life in emergency. Usually, people wouldn’t act as normal in emergency, they may forget the safety hammer, even that they can’t remember where is it. We designed the life-car-key, which adds the function of breaking window glass. Compared with safety hammer, it’s more easily to be found, Therefore it increases the possibility of escape from car accident.


Yanshan University

Yanshan University
Qinhuangdao City, China

Lin Yang,
Yanshan University

Xuezhijia Shi,
Yanshan University

Min Zhao,
Yanshan University

Xuefeng Guo,
Yanshan University