Holy Girdle of the Blessed Virgin Mary is a Christian relic in the form of a "girdle" or knotted textile cord used as a belt, that according to a medieval legend was dropped by the Virgin Mary from the sky to Saint Thomas the Apostle at or around the time of the Assumption of Mary to Heaven. The supposed original girdle is a relic belonging to Prato Cathedral in Tuscany in Italy and its veneration has been regarded as especially helpful for pregnant women.