:lolup::lolup::lolup:
I don't believe the Deer Whistles work, but I have them on every vehicle I own.
In the last 20 years, the only animals I have managed to hit have been with vehicles that do not have whistles .......
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I am not as smart as the engineers and biologists who say the whistles don't work ........
I did stick a set on the roof of my Trooper one year, just inside the roof rack, behind the sunroof. With the sunroof fully closed, I was able to make it about 4 miles down the highway before I had to pull off and rip the whistles off the roof.
The sound was very loud and annoying .....
I've opted out on the whistles as well. Whereas they may get the attention of a deer; they in no way will influence what the deer will decide to do. Deer are completely unpredictable