Wahtz Wah by Mod Kits DIY Build Overview and Demonstration by Scott Sill - YouTube
Bespeco Weeper Wah-Wah/Volume Pedal | Reverb
BESPECO WEEPER Wah Wah Wah Pedal | Kytary.ie
Bespeco Weeper Wah-Wah/Volume Pedal | Reverb
Donner Mini Auto Wah Pedal Dynamic Wah Guitar Effect Pedal Envelope Filter True Bypass - Walmart.com
Reuss Musical Instruments - My Silver Balloon wah-kinda-pedal is living it's own quiet life, and I tend to forget to tell about it, despite it's total uniqueness. It's the only clone available