Does this gadget actually work, a car-antenna-mounted whistle to repel deer?

[Master ß ????]

http://www.mastergardening.com/dee-7000.html

 

[Donald S]

I have heard that it does work, but have no proof.

 

[Erika O]

Yes! Very Very Well!

 

[Erika O]

Yes! Very Very Well!