Marian devotion in theory and practice

There's two kinds of Marian piety. There's the official, theoretical version. That's bad enough. But then there's what is actually practiced. What the faithful live by, day-to-day. Something that Rome alternately fosters or winks at:

Consider the practices of some Catholic Latina women in the United States, who fend off the evil eye (especially of infants) with eggs, bury statues of saints like Mary and Joseph in their front yard when the saints refuse to grant requests, and dig them up again once the request is granted. As Michelle Gonzalez Maldonado details, this sounds rather irreverent, but the practice just illustrates how intimate the relationship is between the Latino community and the saints they revere. Home altars with pictures of Mary and the Saints are the territory of Latina Catholic women. Do these practices contribute to religious epistemology? If so, how?

The council of Trent wanted to eradicate these practices of saint reverence and fending off the evil eye, in which women prominently figured as practitioners and experts. However, it did not destroy these practices in Latina women. Neither did it destroy them entirely in European women, such as my grandmother. My grandmother was a devout Catholic woman who taught me the first things about religion such as the significance of the host, the meaning of infant baptism, how to pray. She had a wooden black statue of Mary (there is a tradition of revering Black Mary in Medieval Europe, and my grandmother's home town had a tradition that still kept this alive), to whom she talked and prayed. When Mary refused to grant her requests, she would be unceremoniously turned facing the wall until Mary changed her mind. 

http://philosopherscocoon.typepad.com/blog/2014/11/what-can-my-grandmother-know-about-mary.html