The answer is simple but implementing it is difficult, don't think about it. I am tall and have broad shoulders and I know they aren't going to change. I wear lose fitting tops with sleeves and distract others with my personality. Most of the time, people aren't out to read you so if you engage them they will concentrate on your personality and not how you appear. How well does this work? I went into Home Depot without makeup and purchased a bunch of stuff. I was gendered female and was never sired. The quickest way for somebody to read you is if you show you are uncomfortable. Then they start looking closer to determine why you are uncomfortable.