Many massages rely on brute force to work out knots. The Extra Quality standard focuses on anatomical precision. The therapist identifies the origin and insertion points of muscles (specifically the Latissimus Dorsi and Erector Spinae). Instead of sliding over a knot, they use a "V-friction" technique to isolate and release the adhesion.
The term "106 extra quality" in the context of Czech massage isn't standard and could refer to several things, possibly: czech massage 106 extra quality
Without a standard definition, it's essential to discuss this directly with a practitioner if you're considering a Czech massage with an "106 extra quality" focus. Many massages rely on brute force to work out knots