The Big John Granny Puker will give you very good distortion effects and dirty octave-down sounds. It is as unique as your music. It sounds like your Granny Puking. There is nothing like it! Two Separate effects in one box (Preamp/Overdrive & Dirty Octave Down)Functions are:Volume control,Mixer control (mix-in the amount of octave down),Puke control = Gain (adjusts the amount of distortion).Use the Granny Puker as a distortion box: Just turn the mixer knob to the minimum (good for chords).Use the Granny Puker as a dirty octaver: Turn the mixer knob to the maximum (good for melodies).This stompbox is designed for guitar as well as for bass guitar and synth.The Big John Granny Puker is a unique overdrive/octave down effect pedal that gives you the ability to use straight overdrive, straight octave down, and mix between the two. The Big John Granny Puker features knobs for Volume, Mixer, and Puke. The Mixer knob controls the blend of the octave down effect and the Puke control is your overdrive gain. This gives you complete control over the effect from pure overdrive to slight octave to total octave down. The Big John Granny Puker is point-to-point wired by hand with top quality components. And like all Big John pedals, the Granny Puker is built to be indestructible!The overdrive tone is smooth and a bit gritty for true vintage tone. From low gain to chunky gain, the Big John Granny Puker holds its own as just an overdrive pedal. The Mixer knob provides all the fun! Bring the Mixer up to halfway for a nice thickening effect for your overdriven tone and a full sounding lead. Max out the Mixer and the Big John Granny Puker is pure octave down. The Big John Granny Puker provides a plethora of in-between-tones for hours of fun and experimentation. There really isn’t another pedal like this, how you use it is up to you! 2019 special discount: Use the discount code "2019SPECIAL" when checking out of the store and get 15% OFF!