I’m surprised EH has not yet released any wah, and Expression / Treadle effects. It’s surely much more expensive and difficult to produce a nice expression enclosure, but once they have the casing and the mechanism down, they could stuff them with endless new and old circuits that would benefit from a foot controlled parameter. Add to that the number of recent EH pedals that have expression inputs and the lack of an EH brand Expression pedal and I’m a little confused as to why EH hasn’t jumped on this.