If you're working a colt from horseback and he isn't responding, it's easy to reach over with the flag and help him along. But the flag material needs to be substantial. If you use a floppy piece of material on the end of the stick, it's much harder to direct the horse. The wind can blow and move the flag around, which might confuse and frighten the animal.

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It's a lot harder to get a horse to respond with respect.

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