To pray the Chaplet, use rosary beads and begin ... and the ocean of mercy opened up for the whole world. O Fount ot Life, unfathomable Divine Mercy, envelop the whole world and empty Yourself ...

The Rosary is a centuries-old way of praying. "Medieval piety in the West developed the prayer of the Rosary as a popular substitute for the Liturgy of ... most need of your mercy.