I don't believe you...You guys bury these talismen in your yards to get a good price for your piece of real estate...
You hang them on your mirrors to protect you while you are driving...
That is seriously religious but it has nothing to do with God or Christianity...
Some people may do this, but this does not make it Catholic doctrine. It is like the matter of contraception. . Catholic doctrine is that such things do not have magical powers. The same guys who do this sort of stuff may not even go to mass, may be as ignorant of Catholicism as you are.