Or perhaps on the small of her back, not a large tat, but big enough to be noticed at the beach, or certainly at the gym when she is wearing her workout outfits. My wife doesn't have a QoS tattoo yet, but does have some jewelry she wears when she is away from home and our kids.
White women should have one where it’s unobtrusive but visible enough to be found, preferably ankles and on their butt.