For minimizing the Adam's apple, how about a floaty, silky scarf worn in the circle/infinity style? I have a few ordinary oblong scarves that I wear this way, either by pinning the ends together with a safety pin or tying the ends at one corner.
For emphasizing maleness, how about turning this the other way and wearing a v-neck or scoop neck top? And wearing your hair in a stereotypically manly style but with obvious makeup (not necessarily overdone, just clearly visible). Like Eddie Izzard.