The KTR 13 12 22 top is a specific technique within Czech massage that targets the upper body, focusing on the neck, shoulders, and back. The name "KTR" stands for "Krční, Trup, Ramena," which translates to "Neck, Body, Shoulders" in English. This technique involves a series of gentle and deeper strokes, applied in a specific sequence to release tension in the muscles, improve blood flow, and promote relaxation.