Mane-tail Ratio -- literally, the Mane is the hair on the back of a horse's neck, Tail is the hair on the Tail of a horse, and the whole term refers to the Ratio of the two. Mane is softer, and more ductile, with the strings from the erhu being horsetail hair, but since horsehair brushes were Trimmed with horsehair, the revealed clipping tip plus some trimming also means relatively shaker; Mane are softer, but slightly less tough, and slightly less tangle-resistant than Tail. Both of them have their own advantages and disadvantages. When making shaving brush, the performance of the brush is not good alone, so it needs to be proportioned. The most common ratios are 50/50 and 35/65, with a less common 25/75. It is said that some brands can be customized, but they need to contact the manufacturers through local agents to customize.
