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1+1=1 / Zahnbürste

1+1=1
1+1=1

This toothbrush is designed for one-armed person and person with poor sight, improving their lives and appealing the society concerned more about the disable and the vulnerable.
Squeeze the body of toothbrush, the toothpaste comes out to the brush through the tube. You can use only one hand for both squeezing and brushing.

University

Beijing Technology and Business University

Beijing Technology and Business University
Beijing, China

Design

Beijing Technology and Business University

Beijing Technology and Business University
Beijing, China

JialanLi QiQin ChanjuanXu DaMeng