I am having a lot of trouble getting my BRAVA placement correctly. No matter what I do, the sides curl in on the outside of each dome where they hit the ribs. Has anyone had this problem and know how to keep the domes flat? Is it bad that they curl under?? I'm using a pressure gauge which shows it still meeting the pressure requirements set by my doc. I just don't want to break the domes or find out I'm not using it correctly.Can you anyone tell me how to place the domes on straight show they don't curl under? Thank you!!