“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash ...
“Death whistles,” or Aztec skull whistles ... with two inner chambers creating the screaming sound, researchers said. Claudia Orbroki University of Zurich “Many ancient cultures used ...
“Death whistles,” or Aztec skull whistles ... the Aztec Lord of the Underworld, and the iconic screaming sound may have prepared human sacrifices for their mythological descent into Mictlan ...