Rally is a tool that allows you to create a "rally" or a "race" for your dog. It is a fun way to get your dog to run around and have a good time. Rally is also a great way to bond with your dog. There are many different types of rally courses, and you can even create your own! Rally is a great way to get your dog exercise, and it is also a great way to bond with your dog. Thanks for reading! I hope this helped!