How Do Dog Whistles Work?

1. James Henderson says:
   If you blast 80's Metallica cranked up to 11 with your dog in the room, after a few years he seems to stop caring that you blow silent whistles.
   If you blast 80's Metallica cranked up to 11 with your dog in the room, after a few years he seems to stop caring that you blow silent whistles.
2. Ming Fai says:
   haha
   haha
3. Dawn McClure Suiter says:
   I'm guessing this is stolen from Fake Science.
   I'm guessing this is stolen from Fake Science.