File:木鐸 --- Confucian wooden-clapper bell.svg - Wikipedia
Clapper (musical instrument) - Wikipedia
File:Blanche Heriot holds clapper Chertsey 2014.jpg - Wikipedia
The Clapper, Baldi's Basics Character Calamity Series Wiki, baldi basics characters
Clapperboard - Wikipedia
The Clapper, Baldi's Basics Character Calamity Series Wiki, baldi basics characters
For some reason today, I found myself looking up the invention of The Clapper. Found out it was invented later than I thought (I was thinking the concept had to be from