This video explains facet syndrome and how to go about correcting for it.
https://www.camarillochiro.com
Other tools that I love
Bob and Brad C2 Massage Gun: https://amzn.to/3mXk4Vb
Bob and Brad Q2 Massage Gun: https://amzn.to/3ngsqrd
Bob and Brad T2 Massage Gun: https://amzn.to/3mUPMCn