It's no exaggeration to convey the products that Japan is so proud of are partly due to large precision and sharpness of those blades. The origin of umbrellas in Japan is claimed to get across the Heian interval (794 - 1185), once they had been released from China in conjunction https://traditional-japanese-craf48260.activosblog.com/35097480/custom-makeup-brushes-fundamentals-explained