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I think you are the person whose video I saw years ago. It was something I didn't need at the time, but found it very interesting. It stuck in my mind, and as my life changed, shared with others, as well as recommending it being shown at the Senior Center in our town. Did end up having to use the techniques a number of times. (The wall is also a place to back up to...) I was so thankful that it had been out there for all to see and use!!
I cannot compare it - it is not showing in this "Recommendations" section of TechEnhancedLife.