The AT8492UL Universal Clip-on Mounting System (9 Gooseneck) is designed to work with the ATM350a Cardioid Condenser Instrument Microphone. The system includes an AT8491U Universal Clip-on Mount and AT8490L 9 Gooseneck. The rugged metal clip-on mount features rubber-lined clamping jaws with a locking screw that allow the mount to be safely and securely attached to an instrument or other surface. The strong flexible gooseneck which is held securely in the mount s socket by a locking screw lets you position the mic where you want it and holds it there no matter how much you move your instrument as you play.