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Multi-Lock / bicycle lock


A bicycle locks that you can control the length, unlike the usual locks with fixed length. You can use Multi-Lock as headlamp while you are riding a bicycle.


Changwon national university

Changwon national university
daegu, South Korea

Na young Kim,
Changwon national university

Seon Kyeong Ok,
Changwon national university

Hyeji Yoo,
Keimyung university