the hand tilting down as the arm goes up then continuing its rotation in & up. at the end of the arm & hand motion there is a slight lowering of the wrists (which feels a natural coming to rest of the hands after their rotation).
gaze direction follows the r hand until the hands come together whereupon it is towards the pair of hands.
as bar 1 counts 3-4 (2 small down-up bounces).
lower both arms half way to being beside ones sides.
repeat counts 1-2 (r backwards & l close lowering arms, pause) but with arms continuing their lowering ending up with hands by ones sides.
hands back up to where they were 