@Finlay Reid Oh no, I just started watching them and happened upon that one. Let me see if it's in my history....yes, here it is:
https://www.youtube.com/watch?...W8vIazqk&t=1654s
He is quite talkative and I'm glad this works for him. This works for me some of the time. Sometimes I have to start with some sort of inversion such as head/hand/forearm stand. A forward bend or downward facing dog can also work. I have found that when the gas releases while I'm lying down, it comes out easiest when I'm lying on my right side, just like when I had a colon, and just like our little hippie brother models. My most reliable method for release is the manual pouch massage while sitting on the toilet: unless my pouch is super inflamed, this empties it of all liquids, gasses, and solids.