In the imagination of many guitarists, the wah pedal embodies a timeless, expressive sound. There’s a reason why the great names of electric guitar have made extensive use of the ‘vocal timbre’ of the wah, a pedal that, with its dynamic filters and its articulated response, manages to emphasize unique nuances, making any phrase instantly recognizable. The Flattley Wah was born with the intent of collecting the legacy of historic pedals, deepening their strengths, and at the same time defining its own sonic identity.
https://www.guitarclubmagazine.com/read-wyz5s-flattley-pedals-the-wah.html