Weird scene

Hair,people always ignore it.It always look soft,but actually it can become a very good 'weapon' too.A very short hair can sting into our skin.But the following picture is the first time I see...


I found this suddenly.Now I still have no idea how it sting like this.Now I only know hair can be used as thread.Guys,If you can't found thread to sew,you know where to find replacement lah...