No matter how well you train your dog, most likely he will never be able to fetch your keys. Don’t fret, this dog can. For $8 bucks you now can can know where your keys are with the least bit of effort. Whenever you misplace them all you have to do is whistle, and if your keys are within hearing distance it will Buster will beep and his nose will flash. Isn’t that something. And for only $8, it is cheaper than any mutt you can buy.