![The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole](https://i.redd.it/cpqij3p5qmi51.jpg)
The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole
![MXR Classic Overdrive Pedal Lightly Used. With MXR Box - Conseil scolaire francophone de Terre-Neuve et Labrador MXR Classic Overdrive Pedal Lightly Used. With MXR Box - Conseil scolaire francophone de Terre-Neuve et Labrador](https://i.ebayimg.com/images/g/JUMAAOSwbQxlUlH2/s-l1600.jpg)
MXR Classic Overdrive Pedal Lightly Used. With MXR Box - Conseil scolaire francophone de Terre-Neuve et Labrador
![The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole](https://i.redd.it/krl7r3p5qmi51.jpg)
The MXR classic overdrive pedal has a hidden switch inside that changes to the Zakk Wylde overdrive. I've seen people mod their own switch for it, but I just drilled a hole
![Save big on 3 tonesome MXR overdrive and distortion pedals, now starting at just $39 each | Guitar World Save big on 3 tonesome MXR overdrive and distortion pedals, now starting at just $39 each | Guitar World](https://cdn.mos.cms.futurecdn.net/wjqYdHTvbg34bSPbcbCKhj.jpg)