Connoisseur Yuming Sumi Brushes were created with Pacific Northwest sumi artist, Yuming Zhu, to develop a collection of superior quality sumi brushes. All are made out of high quality sheep and/or wolf hair. Yuming sumi brushes by Connoisseur are recommended by sumi masters and teachers across the nation. Sumi Happy Dot Detail- Artist developed and recommended brush made of high quality sheep hair. Perfect for fine lines, dots, calligraphy, and signatures.