In the video below, I demonstrated a preliminary blocking chord motion, while shaping the line, and having interactive flowing hands. Knowing the harmonic outline is equally pivotal in the learning process. Understanding how harmonic rhythm/resolutions of chords, for example, affect phrasing helps the student to interpret the music.
Un-blocking chords follows with forward rolling wrist motion. (lesson in progress with an adult student)
The Rolling wrist motion in Harmony of the Angels: