Del Casher, Inventor of Guitar Wah-Wah Pedal, Dies at 88

• Del Casher, inventor of the wah-wah pedal, died on October 1 at the age of 88.
• Casher was a session musician who played with notable artists including Elvis Presley, Gene Autry, and Frank Zappa.
• He passed away following a battle with cancer.
• The news of his death was revealed through a GoFundMe campaign to support his wife, Eiko.
• Casher's invention, the wah-wah pedal, is a beloved effect in rock music.