Lyon by Washburn Stereo Guitar Pedal - LSC: Make one guitar sound like a plentiful chorus of guitars. Turn the rate control to "MAX" setting for a vibrato effect. Connect this pedal to your amp with the Lyon Guitar Pedal Cord Pack (sold separately). For use with any electric or bass guitar. Heavy cast construction with nonslip pedal facing, on/off LED light and 9V battery or AC power (sold separately).