This Pedal is currently available.
Volume, Wah & Expression Pedal
The Hotone Soul Press is a 3-in-1 pedal in a smart compact size. The unit features Wah, Volume,
and Expression modes. [Hotoneaudio.com]
http://www.hotoneaudio.com/products/press/Vol_Exp_Wah_Pedal/2016/1114/195.html
Hotone Soul Press II$118.07
Hotone Soul Press II$116.02
Hotone Soul Press II$171.61
Hotone Soul Press II SP-20$123.77
Hotone Soul Press Volume/Expression/Wah
Hotone Soul Press II Volume /