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Original Dune
This article or section refers to elements from Original Dune.


The whistling language was a complex and covert method of communicating, via a series of differently pitched and paced whistles. It was used primarily by the Tleilaxu.

The language was famously used by the Tleilaxu Master Bijaz to gain subliminal control of Hayt, the first of the Duncan Idaho gholas.


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