Staying Hooked on the Cow Practice teaching your horse how to stay hooked on the cow by using the flag. By H&R Editors | September 20, 2021 | 1 minute read Click here to watch now! Winston demonstrates how to keep a horse hooked on the cow by practicing on the flag. Learn how to cue your horse to teach him how to hook to the cow. Click here to watch now! What did you think of this article? Submit Rating Thank you for your feedback!