Dog Two-tone Ultrasonic Stop Barking Whistle
thediggitydogstore.com
$2.58
The Diggity Dog Description:
These whistles cannot be heard by people, but they can by dogs. Dogs don't like the sound and will do your command if there is a threat of this whistle sound. They are easy to train not to bark with these great little wonders. If you haven't tried this method of training it's worth a try. At this price you can get a couple so you have them on hand. Order some today!
Type: Dogs
Item Type: Dog Whistles
Material: Stainless Steel
Model Number: /
Brand Name: Favolook