This particular whistle and others similar were used by tribes people indigenous to Central America, including Zapotec, Aztecs, and Mayans. These whistles are hand sculpted from terra cotta clay and fired in a kiln and glazed. 

The  death whistle produces a loud horrifying sound. 

quality flutes of the americas

‚ÄčFlutes by Nash Tavewa

Obsidian glaze finish death whistle $289.00

Terra cotta clay death whistle. $140.00