O Jesus, Son of God and of the Virgin Mary, who suffered and died on the Cross for me: through that holy wound of Your right hand, have mercy on me, and on all the dying this day. Amen.
Prayer of St. Bridget
The fifteen prayers on the Passion are a longer devotion. This is a door into them.
Where it comes from
St. Bridget of Sweden, mystic and foundress. The Church receives her revelations with the usual caution and her sanctity without it.
Pray also