Nipples that look like that when they haven't even been stimulated yet are definitely built for simultaneous multiple levels of jewelry and stimulation
A non Pierce Starburst Style snug nipple ring and then Pierce her nipples so that they have to be pulled just a little bit to put in the barbell that holds the jewelry in place and then add a nipple lasso one of the thinner ones of course between the barbell and the decorative Starburst...