- controls the output volume of the effect
- controls the amount of fuzz
- controls the frequency of small boosted range of frequencies, turning the knob clockwise moves that frequency from low to high (bass to treble).
- pressing the large pedal automatically activates the wah, when you take your foot off, the wah turns off.
No forum threads about this effect yet.
Here's some code to post a link with image on forums, eBay, websites,...