1 hour 20 minute class
1 hour 9 minute class
39 minute class
https://youtu.be/Vb73j9xIZwo 1 hour 15 minute class
57 minute class
https://youtu.be/Qw2TKrFI24Q 3 minute demo
1 minute demo
https://youtu.be/LTsoiLj9Bto 2 minute demo
https://youtu.be/SK1CLpIySKY 1 hour 5 minute class
https://youtu.be/cpm6vC4L93g 19 minute class
51 minute class https://youtu.be/JDKXZQm-cnM
https://www.youtube.com/watch?v=1ptLnTNFLzw