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Shrinking lock / bicycle Lights and lock

Shrinking lock

Shrinking lock is a lock for bicycle which have lighting effect.
When you are using it, all you need to do is pull out the chain and lock it.
After using it, the chain will shrink back to the container.
This product can sense and light up which direction the bicycle will turn

University

National Yunlin University of

National Yunlin University of
yunlin, Taiwan

Yu-sheng Liu,
National Yunlin University of Science and Technology creative design

Mei Lo,
National Yunlin University of Science and Technology creative design