Pope Francis is apparently devoted to promoting “Mary, Untier of Knots”:
The theology of Mary untying knots goes back to the second century – less than one hundred years after the death of the Apostles. Saint Irenaeus of Lyons wrote “the knot of Eve’s disobedience was loosed by the obedience of Mary. For what the virgin Eve had bound fast through unbelief, this did the virgin Mary set free through faith.” (Adversus haereses, 3, 22) This is one of the earliest examples of describing Mary as the “New Eve.” Eve, standing next to Adam, is the “co-peccatrix” (co-sinner) Mary, standing next to Christ crucified, is the “co-redemptrix” (co-redemptress). This does not mean that Mary directly saves or redeems us. It means that Mary consents and participates in the redemptive action of Christ. Her role is congruent and relative to the condign and absolute role of Christ.