Must the Wah pedal be in a huge size? Should the only way to switch the Wah pedal on/off by stepping to the bottom? Does the Wah pedal have any more functions? With all these questions, we developed a new Wah pedal---The Wahter. The Wahter recreates the vocal sweep and lush harmonics of the classic wah tone while keeping the tiny size. Using high-quality electronic components, ensuring a good response to your touch and smoothness of the tone. A unique pressure sensor switch design relieves you from the traditional foot switch design, enabling you to concentrate more on the guitar playing. - the manufacturer