HA foil pumping - improved technique??

This follows on from my first video where I compare the techniques I use to pump the HA GL240 with the LA Maliko 280.
*GAME CHANGER* Inspired by analysing some YouTube videos of a few of the best foil pumping techniques I've seen, I had a breakthrough in trying to improve my technique with the GL240. Watch to find out more and PLEASE comment if you have any questions, suggestions, helpful hints or if you just plain disagree with me.
This video includes 9 minutes of my ramblings followed by 7 minutes of various action clips with voiceover, and finally a summary of the key points.
Link to my first video: Flat Water Pump technique and compari...