Trying to deworm a reluctant horse with a tube dewormer can be a nightmare. It often ends in frustration and just as much dewormer on the side of your horse's face than what actually ended up in his mouth. Maybe your horse is head shy or simply hates the taste of dewormer. Maybe he just knows if he fights you he can get away with it. Whatever the cause of your horse's reluctance you can do something to make deworming easier on both of you.