Preheat the broiler, then toast the bread, turning the slices just once, until barely golden.
Meanwhile, heat 3 tablespoons of the oil in a large frying pan over a medium heat. Add the garlic and anchovies, and sauté for 2 minutes. Add the cabbage, vinegar, and salt and pepper to taste. Cook briefly, stirring, just to barely wilt the cabbage.
Arrange the toasts on individual dis