If the tits are big deviant already at 18 and continues to grow - then they need extreme resource, so there are no bad posture, or gigantic ******* udders. A straight posture by perverted high heels, back relief, corsetartige belt, to nasty neck seals where the leaden mega boobs were hochgezurrt. That was always very embarrassing in public, but I always had to wear anything because ...