College Boy here. I live in a all male dorm (60 boys) on campus with communal showers.
I am wearing my small Nike Jockstrap today which is red. Pretty hot on my slim & trim body.
College Bro here living in a all male dorm on campus. When I take off my jockstrap, I usually hang it on my bed post in my room.
Roommate does not mind....all male dorm with usually bro friends who hang out in our room!!