Actually there are ten, but the first one is enough if, as a man, you follow the advice to 'confront men' about it. By the time we get to telling other men's sons how to grow up thinking about their 'male privilege,' you'll be lucky if you don't get worse than a fight.
I realize that with society structured as it is we need women to do this kind of thing. We even give female soldiers medals for it now. As well we might, given that fighting sexual harassment is now the Army's "primary mission." Why wouldn't you give out medals for the soldiers who are at the forefront of aggressively pursuing your primary mission?
Still, let's be clear about the limits of your 'male privilege.' What you're suggesting is well into the realm of female privilege. I'll listen to women talk about these things with great courtesy if they really want to discuss it. If you as a man come up to me and tell me I shouldn't prop my feet up in a chair at Starbucks because it might possibly make some woman somewhere feel uncomfortable, though, you're asking for trouble. I'd give the woman the chair I was sitting in, unasked, if chairs were short in supply. If she refused to take it, I'd stand anyway rather than sit while a woman stood. As Lewis Grizzard used to say, if I didn't do it my ancestors would come up out of the grave after me.
But if you as a man undertake to go about lecturing other men about it, that's a privilege you don't have. You'd better well know it.