Somebody quick - analyze this swing:
<iframe width="560" height="315" src="https://www.youtube.com/embed/BbySDhG8KE0" frameborder="0" allowfullscreen></iframe>
https://youtu.be/BbySDhG8KE0
<iframe width="560" height="315" src="https://www.youtube.com/embed/BbySDhG8KE0" frameborder="0" allowfullscreen></iframe>
https://youtu.be/BbySDhG8KE0