The horse heads (rarely heads of other species), even as a stallion and hors referred to are often found in Low German Hall houses decoration of the fascia on the gable of the roof. The boards are pulled out about half a meter above the roof ridge and intersect in the form of a tray. On top of the gable of the house was often traditionally an opening, called the "Owl Hole." Through this opening, the smoke of the hearth could pull off and there were owls for catching mice in on the attic. The roof was traditional, rare thatched with reed, enclosed to protect the edges (ridge, ridge), the straw-thatched roof or in front of the fray by gusts of wind, this often with soffits were. On Eulenloch this weather boards were often drawn out over the top to attach decorations. Whether the weather boards were also the wind noise reduction is unclear. In its simplest form, two simple, stylized horse's heads were sawn or carved from the soffits that were either facing or facing away from each other.
Depending on the skill and ambition of the carpenter, the heads were modeled plastic, the mane and the bridle of the horse drawn accordingly fine and the horses were decorated with other symbols (birds, trees, flowers, oak leaves, stars, sun gears, hearts ...). Sometimes the gable boards were so ornate that they were barely recognizable as a horse.
The symbolism behind the horses' heads is not clear survived. The popular belief knows different interpretations, but which historically can not be substantiated conclusively.
Sources report that there are still in northern Germany in the 16th Century to have been custom security set up real horses heads on poles next to a house. Some folklorists call it one that originally images of all kinds of animal and human caricatures (see also: Envy head) were attached to the security of homes. In some northern German regions the custom was then concentrated increasingly on horses heads. So this horse heads hot as gable decorations in Mecklenburg today "Muulapen" (monkey mouth), taken from Wikipedia*.