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I suppose they have their reasons for doing this. I'm not gonna pretend to know what it is, maybe because it can jump over a ledge if necessary and i guess an ATV couldn't do that. I dunno.

because cowboys?

I dont want to start a race thing but getting dragged down like this should not be legal for any race. Reminds me of the game of thrones shame thing.

if only they had a bell with them.

actually that would be hilarious :-)

Horse police is apperantly used a lot for crowd control