Note: !!!Just use your own hair If you wanna try, DON'T hurt animals!!!
All Mammalian hair have scales like squama.
Just put a hair on the palm, if your finger slide along the hair, the hair almost fixed because friction is small.But if against hair, it moves follow your finger because of large friction.
Just put a hair on the palm, if your finger slide along the hair, the hair almost fixed because friction is small.But if against hair, it moves follow your finger because of large friction.
This method can be used to identify whether your wool blankets is true.
Note Again: Just use your own Hair!!!
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