Zvex Effects Double Rock Vexter SeriesMaker: Zvex Model: Double Rock Vexter Condition: New Description: This pedal was originally designed for J. Mascis of Dinosaur Jr. He requested two Box of Rock pedals in one box with two stomp switches. He uses that regularly on stage now, but we did one (or two) better with the one were releas ing to the public we made it so you can adjust the sub frequencies (like the Distortron), and you can convert either channel to a Super Hard OnTM. In this way,