[Twilight's eyes follow that motion, and she can't help but study AJ's chest, thinking the exact same thing. Clearly they're mammary glands, but why do they need to be so large? Do human babies really need that much more milk than other creatures? And it's not like they're even swollen with milk now, for that to happen, Applejack would have to be-

She shoves her mind off of that thought train.] Some parts of it really do make no sense. I'm sure there's a logical reason for the way they look, but I've never been able to figure it out, myself. Anyway, what you're holding there is one of the parts they really don't want to see. The other parts are your flanks and genitals, though it probably goes without saying that in these bodies you can't really cover one of those and not the other without getting very creative.