Rowan Cross Traditional protection charm using wood and berries from the rowan tree. The cross of rowan wood, tied with red thread, is an ancient and powerful protection charm. Hung on a door or above a fireplace the cross will ensure that no bad luck will enter. The cross is approximately 5cm (2″) square, but size may vary as they are all individually handcrafted. Made specially for the museum by a Cunning Woman in Devon.