1. Open the main menu.
2. Go to "My dogs".
3. Tap "Add new dog" and follow the instructions.
4.Once you have added a dog, go to the dog's settings and choose which device the dog is wearing. Or do the opposite, go to the device's settings and select which dog is currently wearing the device.
Note that for the dog to appear on the map, you need to select a device for it, and the device needs to be switched on and sending positions.