Elegant capodaster with revolutionary spring mechanism;Swift and precise one-hand operation: simply put it onto the neck and adjust the pressure when locking it.;True intonation;Slim design that does not hamper playing;Can be clipped to the headstock when not used ;G7th Performance 3 classical guitar: successor to the popular Performance 2;Unique "Tension Control System" with ART (Adaptive Radius Technology), which adapts to the string guidance and fingerboard curvature and exerts even pressure.;One-handed operation, can be easily "parked" behind the nut or on the headstock;