How about Du Chungui's hard pen?

Du Chungui's hard pen is very distinctive and has strong ornamental value. His writing style is sharp and fluent, his structure is stretched, and his main pen is prominent.

However, to evaluate the real value of Du Chungui's hard pen, we need to consider the specific use and personal preference. If you like this style, then Du Chungui's hard pen may be very good. But if you are a beginner or looking for a calligraphy style that suits you, Du Chungui's hard pen may not suit you. I suggest you find some samples or actually experience Du Chungui's hard pen calligraphy, and then judge whether it is suitable for you.