The AT8491S surface mount allows you to use an ATM350a Cardioid Condenser Instrument Mic and accompanying gooseneck with accordions and other instruments with challenging mounting surfaces. The notched mount can be attached permanently using the accordion’s grille screw and the included adhesive silicon pad, or it can be attached temporarily using the included fastener tape pads. A transparent protective film is also included to prevent damage to the instrument’s finish. Mount includes a socket with locking screw to securely hold an AT8490 5" or AT8490L 9" gooseneck.