If you need to feed your horses grain outside. this can be a safe alternative. notice the solid dividers between their heads: its to prevent food aggression and the need to defend their food from others.
"Low Carb Layla: Fried Cabbage with Bacon and Onions." 1 medium head green cabbage, chopped loosely 3 slices bacon, chopped large onion or small to medium onion, chopped 1 TBSP Worcestershire sauce (optional) salt & pepper to taste