The practice of ordinary people is usually about properly accomplishing the given task.
But that person's practice was not that. It was enduring pain and discarding everything but oneself. It was said that, in the end, even oneself was forgotten.
My practice is something like inserting a zipper slider into the practice that ordinary people do properly.
To ordinary people, the best practice is often about opening or closing their mouths slowly. Words uttered sometimes grow like mountains or become boomerangs and come back.