These make you look like you have HUGE, HARD, nipples!  I've tried everything for nipple concealment.  I figured out that while these, alone, look obscene, and Smartcups or similar foam cup inserts are too thin to do ANYTHING in the way of nipple concealment; together, they provide a working solution.  These bra discs do block whatever is going on with your own nipples, and while thin foam inserts do not, thin foam inserts will cover up the great big knob that these Bra Discs create.  Not a good daily solution, perhaps, but for the occasional formal event in a form-fitting dress, the two, together, do the job.