No such signs for sure. I'm sure the management would be opposed to us jerking off but hey a little danger...gets me hard. Their the ones who put up the curtains so might as well enjoy one aspect of privacy.
Open showers in primary, jr high,, high school, and college. Gym has private sadly but allows some private activities. Jerked off with another guy in the shower few times there. Caught 2 guys jerking off in the sauna. Joined in...
Reminds me of a guy from high school. Shawn was his name. So hairy sweaty and hot! Remember him boasting about the number of hair on his balls compared to the whole locker room.