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Unfortunately I’m not allowed to give out the details of the training but you should be able to find some videos online showing other variations of Iron Shirt Qigong and steel brush. I believe Yin Yoga is also very similar to the Qigong or any other Fascia fitness training would work too

Yes, I imagined this was only a taste. I'll read the posts and research on my own. I'm part of a training group and there's much benefit we could distill from these practices!