The Dwarfcraft Power Struggle augments your effects pedal with the ability to starves your stombox of power. The Power Struggle consists of a super simple circuit that essentially slows down the power to your pedal, making it (sometimes) do whacky stuff.

Fit the Power Struggle's standard-size center-negative plug into your effects pedal. You've now made that pedal adjustable. The Power Struggle also has a 1/4" jack for an expression pedal (not included), so you can also control the variable resistance with your foot.

Any time you starve a circuit of power, it's going to lose volume. So with the Power Struggle connected, you can turn up the volume on your amp or effects pedal. Think of the resulting sound as a normal level when the Power Struggle is engaged, and just a volume boost when not engaged.

With the Power Struggle's variable resistor knob, you have full control over the amount of power sent to your pedal, with strange but cool results. The Power Struggle accepts both center-negative and center-positive power plugs. It puts out the power in a center-negative plug—a very common power plug for many effects pedals on the market.