How To Film a Horse Trapped in Barbed Wire (and Not Have PETA Up Your Ass)Adrian Covert1/25/12 11:20am37EditPromoteGo to permalink So Steven Spielberg is making a movie all about WAR HORSES. It doesn't really have the same ring as WAR DOGS, but whatever, I'll entertain the idea. However, you can't really film horses getting beat up and not expect a public uproar. So how'd they do it? Puppeteers.