Yes just called one within feet of me with one. There are several You Tube videos on how to make one. Takes about ten minutes. You can also make them out of shot shell brass. I am going to try a deer antler one but not sure I can get the right pitch. I am also going to try it on deer and Javelinas a rabbit sqqueker works on them so the whistle should too.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli