sōkōhō brush grip
In calligraphy, a method of holding the brush where the thumb, index, and middle fingers grip the shaft, as opposed to 単鉤法 (tankōhō) which uses only thumb and index finger.
See also: 単鉤法
I learned the sōkōhō brush grip in calligraphy class.
The sōkōhō method is a grip that makes it easy to stabilize the brush.