Bristles how to differentiate?

Toothbrush hair can according to brush hair of soft degrees for distinguish, first of is mill pointed silk, following followed by is nylon hair, Elm silk, imitation nylon, silk King (c silk), details can into I products album, I for everyone respectively shooting has several Zhang toothbrush hair of pictures for friends are for simple of distinguish; second a method is toothbrush hair rubbing pinch up of feel. Of course, the best or your own to try out different bristles of toothbrushes.