The mitre is a white linen cap that is stiffened with parchment–in the modern era, thin plastic or cardboard can be used–and placed upon a stiff linen band. This linen band is then encircled with gold and there can be at the apex a cone of gold. In this century, not only did this special cap receive a name, but the custom of the pope bestowing the mitre on his favorite bishops came into practice. In the twelfth century, the rounded top of the cap began to dip in the middle, due to the binding of a band of gold that ran from front to back.