In many modern sex therapy circles, positions are ranked by complexity and intimacy level:
Hollywood and literature have sold us a specific script:
The problem with this storyline is that it assumes linear progression. It has no room for "positional" pauses. In a traditional storyline, if you are the love interest, you remain the love interest. In a positional dynamic, you are a supporting character who gets written out when the genre changes.
Here is where the name becomes relevant. Do not thrust in and out (piston motion). Instead, the top partner keeps deep penetration and swings the pelvis up and down like a seesaw or a clapper.