At its core, the Fender Shields Blender echoes the tone of Shields' own vintage 1970s Fender Blender, thanks to carefully hand tracing the circuit from his personal fuzz box. Built around this vintage circuit are entirely new ways of controlling and blending the original fuzz voice, all crafted with performance in mind utilizing four easy-access footswitches. Two footswitchable channels of fuzz, each with dedicated level controls, offer the ability to blend the fuzz voice with your clean signal or to blend the fuzz voice with a beefy suboctave fuzz, while the sag footswitch introduces sputtering and ducking effects like never before heard, all controlled by the intensity of your playing dynamics.