Tang Brush Coral Tree (Kinshōhai)

Recommended for writing certificates and addresses.
Since they wear out quickly when writing a lot, some people buy them in bulk and use several at a time.
The bristles are made from rabbit hair, which is considered durable and often used for sutra copying brushes, and soft sheep hair, combining elasticity and softness.
This is a popular Tang brush.
The black shaft gives it a luxurious feel.