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Grinder / Grinder

Grinder

in life ,we often encounter such a situation that squeezing the toothpaste is more arduous, According to this issue, I designed a toothbrush which tail with a gap,you just need put the ending of toothpaste into the gap ,hold the the tail of toothbrush by one hand and pull the toothpaste ending,and easily squeeze the remaining toothpaste out.

University

iangxi University of Finance and Economics

iangxi University of Finance and Economics
Nanchang, China

Jie Zhang,
Jiangxi University of Finance and Economics

Chen'an Xia,
Jiangxi University of Finance and Economics