Start with your feet a little closer together than shoulder width. Align your
right foots toes with the middle of your left foot. Lift your right heel and
put your weight on your right foot.
slide the left foot straight back, keeping it absolutely flat on the ground,
until the left foot's toes are aligned with the middle of the right foot.
drop your right heel to the ground and lift your left heel at the same time.
This switching part is what makes the moonwalk look so good. The smoother it
is the smoother the moonwalk is.
Now slide your right foot back until it’s toes reach the middle of
your left foot and switch again.