Boyd talks about how he will work his horses on down the fence without a cow before introducing them to cows. He explains why this helps the horse in the long run and demonstrates th dry work on the fence.
In this video, Boyd explains why he likes to walk his horses in small circles as a warmup. He says that it helps get them off his leg, keep their mind focused, and help soften them to the bit. Next, he shows us the same exercise but at the trot.