GUYATONE WR-3 WAH ROCKER PEDAL POWER SUPPLY REPLACEMENT ADAPTER UK 9V 712221864100 | eBay
TWA Releases the WR-3 Wah Rocker Envelope Filter - Premier Guitar
JACQUES PEDALS - Everything is unusual about these boss rocker pedals : size, batteries, hall effect operation, distortion in a wah enclosure, the wrap switch, etc ... boss PW-1 rocker wah ,