Michael Jenkins has 7 videos on his Youtube channel including a new one released 3 months ago.
https://www.youtube.com/@michaeljenkins9435/videos
There are also some very interesting comments on these videos including one from Tinpottrader on the recent video - "Gann's 180 mth cycle due March 2024 (15 years from March 2009 low) which should be a high according to theory".