Some more things here – try to free up thumb as much as possible. Thumb is like the key of the hand that can open up to flexibility the whole hand. Similar principles work on both right and left hand.
0:24 About pedaling. Especially the question about damper spoon and and pedal lift rail collision
3:55 About isolation of wrist and elbow
9:08 About fingers, wrist, arm alignment (continues in the second part)
0:00 About fingers, wrist, arm alignment
2:21 About playing Schubert Op. 18 D. 145 nr 8