TOWNER VIBRATO GUITAR SYSTEMS, Made in the U.S.A., Southern California, are innovative and SCREW-LESS designs for your BIGSBY® Vibrato Tailpiece installations. Products designed to protect the integrity of your guitar and provide an innovative string control device. The DOWN TENSION BAR mounts to the stop tailpiece studs in place of the stop tailpiece and has the ability to be raised or lowered to manage your guitars string sustain.