Yes—they're quite remarkable and I've not encountered anything else like them. But I wouldn't use the word "practice"—I'm more of a dilettante.
I listen to one of them (the 'head and hands' one) whenever I have trouble sleeping. Inevitably one of two things happens: either (1) I fall asleep, or (2) I end up in an expanded state—and either option is fine with me.
I have the impression that Fehmi was disappointed that he didn't win over more people to become serious practitioners. People would resort to his stuff when they were in a difficult place but they wouldn't necessarily practice it every day.
> ...listen to one of them (the 'head and hands' one) whenever I have trouble sleeping
My father taught me an "instasleep" system that may(?) be related: basically you start distally and work proximally, becoming aware of any tension in body parts and allowing them to relax. When I do it I feel "myself" kind of "diffusing" to meet my environment, like fresh and salt water meeting to form a brackish zone, sometimes with a rocking sensation, and I usually fall asleep well before getting to core muscles. (when I was younger, people used to ask "how can you fall asleep on rocks?" to which I replied "you have to choose the comfortable ones", but it was likely more this technique)
The oddest thing about this technique is the source: although it sounds very Baba Cool, he'd been taught it in Uncle Sam's service.
I listen to one of them (the 'head and hands' one) whenever I have trouble sleeping. Inevitably one of two things happens: either (1) I fall asleep, or (2) I end up in an expanded state—and either option is fine with me.
I have the impression that Fehmi was disappointed that he didn't win over more people to become serious practitioners. People would resort to his stuff when they were in a difficult place but they wouldn't necessarily practice it every day.