The girdle book has the advantage that it can be read without being detached from the belt, as it hangs upside down in its normal state; when swung up to be read, however, the text faces in the correct direction. After reading, it could just be dropped and was again at hand the next time it was needed making it especially convenient for monks, priests, and clerics who traveled through the countryside for church services in monasteries and convents. via Noted Without Comment.