ZABELE WHISTLE (really loud)

hi i'm Thiago
i designed this to bring awareness of Brazil, and Brazilian tribes
if you ever consider to visit pataxo tribe, please buy one, even if you can print it, it helps the pataxo community
this is a ZABELE WHISTLE, made from PATAXO tribe to atract birds for hunting
now days the dont suvive on hunting anymore.
https://www.youtube.com/watch?v=TtmXmH6a-9w
here is a real pataxo using it. along others pataxo's whistles

Print instructions

https://www.youtube.com/watch?v=kPmCAZ0dhwM
here are some documentary about the pataxo (they have english subtitles)