Film School BJ 101 Course says girl must know how
to act with face expressions during the making of
a good Blow Job scene. She must suck deeply and slowly,
and look straight at the camera talking with her eyes.
Not the hurried kind of bj that is done nowadays.
Case in point, the original Nadia Nyce from UK as
shown here, and Jeanna Fine and Juliet Anderson in
the photo below (also attached as a file with this post) :