Made of 100% high-quality horse tail; Features: Cashmere brush elegant (yubi) uses 100% rare horse hair that combines the softness and softness needed for brushing. With a "taper of hair" that makes the tip of the bristles thinner and "round cut" that makes the brush surface a blushing process that gently removes dust from deep fibers to quickly clean up the hair. Can be used for a wide range of clothing, including cashmere, wool, tweed, mohair, and fur. (New Technique 1) The hair tip is said to be "Hair will blend in well and become a better brush after years of use. One of the reasons is that the ends of the hair gradually wear out and the edges will fall off and become thin and conical in long term use. This causes the fibers to be soft and smooth and gentle on delicate fibers. You can also use a thinner tip to get into the fibers eye, which can also be used to clean the dust. But it takes time and effort to get such a feel. So we have done our own process to make it feel like new. This is the "hair tips". [New Technique 2] To clean dust well with brushing round cut clothing, the trick is to move the brush so that the tip of the hair is facing vertically. Cleaning professionals brush the wrist to sweep with a little spin of the brush. However, the traditional "flat cut" that cuts flat on the brush face is highly skilled and therefore focuses on the movement of the brush face and convex shape.