For example, there is a tradition within the rakugo community that the gesture of drawing a sword can be well conveyed to the audience by moving a folded fan like the hilt of a sword, and then by shifting the eyes from the end of the fan to a point of empty space representing the point of the sword to indicate the length of the blade.
例えば「刀を抜く」という仕草の場合、扇子を柄に見立てて抜いた後、鍔元から切先まで視線を動かしながら見ると、刀の長さが観客に伝わるという口伝がある。