Ar-Raha (Handmill) is a primitive tool made of rough, heavy stone, consisting of two round stones placed one on top of the other, known as the stones of ar-Raha. Their diameter ranges from one to three ft, depending on the size of the tool. It was historically known in Saudi culture as one of the tools invented by humans to facilitate the grinding and crushing process for bread preparation. In the past, Saudi society relied on wheat and barley to prepare daily foods such as bread and Jarish. In...