anvill One of the potential "issues we encounter during testing:"
With subject wearing the device, a hardware error forces the machine's legs to full extension. The hips would give out first, grinding and popping, but at least you're 5 inches taller.
I'm sure the power these can put out isn't nearly strong enough to do that, but a guy can dream.
mouser This is just another FAD: Fatty Assistive Device.