Have you ever tried these black cotton swabs?
This is a must-have item in daily life.
This is not a normal cotton swab. Its color is black, and both ends are spiral form.
You can see the stuff (ear wax) clearly because of this pure blackness. In other words, you can psychologically feel more clean than when using a normal swab. Also, you can clean the stuff (ear wax) easily and with certainty because of this spiral form.
I think this inventor is great! I want to meet them.
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