One of the most interesting but terrifying religious practices of Aztec culture was the Aztec death whistle. The skull-shaped ...

It is believed to be part of a skull rack from the temple to the Aztec god of the sun, war and human sacrifice. Known as the Huey Tzompantli, the skull rack stood on the corner of the chapel of ...

“Death whistles,” or Aztec skull whistles, were short, carved instruments made of two opposing chambers where air could clash and create a “screeching sound,” according to a Nov. 19 news ...

They are believed to form part of the Huey Tzompantli, a skull rack some 60 metres (200ft) in diameter which stood on the corner of the chapel of Huitzilopochtli, the Aztec god of the sun ...

Since ancient times, rituals using various musical instruments have been performed around the world, but the Aztec flute, which imitates a skull, has a tone that stands out from the rest.