Whether you view it as a niche kink, a body-positive movement, or just a way to swim without getting your shorts wet, the "CFNM mixed swim" phenomenon highlights a universal truth: Sometimes, the most interesting things happen when we take off our masks—and our swim trunks—while leaving everything else on.
Many attendees are actually shy or have body dysmorphia; they attend to confront their anxiety, not flaunt themselves.
Given that men are nude and the environment is wet, hygiene is paramount. Most events require a shower immediately before entry. Additionally, erections are a biological reality. The standard rule is: If it happens, stand still or sit on the edge of the pool until it subsides. Do not touch it or draw attention to it.