Christ, our High Priest offered Himself once for all to His Almighty Father on our behalf. The (Holy Sacrifice of the) Mass is the continuation of that one Sacrifice in time. I'm certain you don't believe that but that's what I believe so I'm just explaining my point of view.
Building a shrine to Mary isn't worship or adoration, if people are burning incense to Mary that may be a problem, praying to her isn't worship or adoration because Nobody (at least I HOPE nobody) believes Mary is the source of her attributes.
Let me be sure I'm understanding you....a shrine built to Mary isn't worship or adoration??
Someone on their knees praying to Mary at their shrine isn't worship or adoration??
We obviously have some different understandings on worship and adoration.
As I'm not familiar with this practice how is this a sacrifice on our part?
I understand the part of the sacrifice that Christ made....but no where in the NT do I see a requirement for us to make a sacrifice liek incense, etc, as that was already accomplished on the cross.