||This switchless bass wah features 2 wah modes--Traditional and Funk Wah. Traditional wah mode is for classic wah tones. Click on the Funk wah and you get a percussive, funky wah that is great for slappin' and poppin'. Used by such renown Bass players as Philip Bynoe, Bill Dickens, Dave Pomeroy, Marcelo D. Rapp, Rudy Sarzo, T.M. Stevensk, and Jauqo III-X.