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memory needle / sewing needle

memory needle
memory needle

When the olds cannot see clearly, they will unconsciously have their hands with the sewing needle and the sewing thread get close to the light, where is bright and hot. This memory needle is made of memory metal. When it's over 40℃, the needle is in an open status, while it's around 37℃, it close again. So the olds can easily thread a needle.


South China Agricultural University

South China Agricultural University
Guangzhou, China

Jieying Lee