“…Ring spinning is the oldest and most widely used spinning technology. 1,2 Yet, it still dominates the market due to its flexibility in terms of raw material and yarn count. 3,4 In recent years, many alternative spinning technologies have been developed to meet the demand for yarns with better properties or to improve production efficiencies, such as compact spinning, 5,6 Nu-Torque, 7,8 Siro spinning, 9 Solo spinning, 10 embeddable and locatable spinning, 11 jet-ring spinning, 12 ring spinning with a diagonal path, 13 contact surface spinning, 14,15 agent-aided spinning, 16 and so on.…”