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Safer blind cane / Safer blind cane

Safer blind cane
Safer blind cane

Here is the 360° universal ball,it does not require the use of moving up and down,just sliding around as needed.This allows more effort,more can increase the efficiency of detection of obstacles


Yanshan University

Yanshan University
Qinhuangdao, China


Yanshan University

Yanshan University
qinhuangdao, China

xudian guan yang yang hongwei xu yanan li