Well, if you are "an Alternative Health Researcher" then you should research what osteopathy & manual therapy does and how it works. There is such a thing as hypermobility of joints and spinal vertebrae. Those that are hyper mobile can be cracked (i.e., false manipulation), but the real problematic ones (i.e., blocked, locked) cannot be adjusted that way (by yourself). Only a specialist can do it using certain techniques. So, whatever you cracked wasn't your real vertebral problem.
I know that because I've been treated by 2 specialists over the years and know their methods.
Spooky is by far the least advanced remote treatment apparatus just for a low-cost starting point. I've worked and experimented with the F165/SG-1 for almost 2 years now, having upgraded from FreX and handmade scalar orgonite devices.