As the washer rose up in the air, the student's head would also tilt upward as he tracked its flight. At the instant the gun was seated against his shoulder and his cheek, it would be aligned to match the position of the rising flat washer in its trajectory. Accordingly, the student's subconscious mind then had very little fine-tuning to do to direct the muscles of his left arm to point the gun so the fired BB would hit the target.