Calligraphy, how to write big characters with Changfeng brush?

Hello, Changfeng writing brush has very high requirements for the writer's own skill. Of course, there is also an adaptation stage. I think you can buy those with short front, for example, about 2cm in front, and then slowly buy those with long front, for example, 3-5cm in front. If you want to know the knowledge of brush selection, you can read this article "Top Ten Brushes in China (with brush selection and maintenance methods)".