This is an automatic drawing exercise. The hand follows an external object rather than the mind’s intention. The result is always a genuine surprise. The stone is the author. The student is the instrument. This reversal is the curriculum content. It removes the student’s usual control and produces something they could not have planned. The title instruction at the end asks students to find meaning in something entirely accidental. That is a significant creative act. Some students will want to do this again immediately with a different stone or a different speed. Let them.