In the summer after my freshman year at college, having a full year of circuits classes, i decided i wanted to try my hand at building an Octavia, an octave-doubling fuzz effects box for an electric guitar. I didn't use the best methods or components, so the rather unique tone this thing creates prompted me to rename it "The Nasty Fuzz".

You can hear it in action in the guitar lead on "Wrong", from 1:24 to about 2:01.