In the very first lessons the pupil was required to hold down two keys while one finger strike a third. We will now hold three keys down and employ the other two.
These exercises may prove to be distasteful to young players, but unless they are faithfully and thoroughly practiced, the pupil will not succeed in mastering the piano. Do not strike the keys to be held down, simply press them silently down, and then play the exercises. Hold your hands correctly.
Be careful to the wrist: it must be flexible