NAMM 2020: Fender Treadlite Wah and Volume/Expression pedals - gearnews.com
Amazon.com: Hotone Wah Active Volume Passive Expression Guitar Effects Pedal Switchable Soul Press II 4 in 1 with Visible Guitar Effects Pedal : Musical Instruments
Boss Aw-3 Dynamic Wah Pedal For Guitar Or Bass With Tempo Control, Expression Pedal Input, And "humanizer" Effect With Gifts - Guitar Parts & Accessories - AliExpress
Do you mount volume/wah/expression pedal to pedalboard? | The Gear Page
Is There a Wah Pedal That Can Also Be an Expression Pedal?