Clone of the WEM Project V fuzz. The original units are very rare, and very sought after. The Project V provided Brian Eno with his signature sound on "Here Come the Warm Jets". This version remains true to the original, retaining the "Drive" and "Edge" switches. You can tinker with the internal trimmers to change the fuzz texture to some degree, as Eno may have done back in the day. I would compare the sound of this to a "Big Muff's older brother" affair. You know, the cooler older brother. The one that drank, swore, rode an open pipe Triumph, had a pack of Lucky Strike's rolled up into his t-shirt sleeve, and wouldn't mind if you rifled through his stack of Playboy's from time to time.