The Clapper: Yes, that one.

Motivating Mural Design With Debbie Clapper

Inside the Personal Computer: An - Adafruit Industries

The Clapper - Clap your lights on

I appreciate the authors sprinkling humor in this corporate finance textbook. They're not wrong. : r/funny

When the universe tells you that maybe you're done for the day : r/woodworking

The Smart Clapper (1992)

Cheek Clapper 3D Blush Trio

Exposed Straight FDC, NYFD Single Clapper

Clapper: Video, Live, Chat - Apps on Google Play

The Clapper TV commercial