Your hand acts as a vector in carrying the infection from one place, right to the cells they infect. No skin tears, and you wash your hands immediately. Unfortunately, you are still at risk for HSV, HPV and syphilis, and you'd be surprised how clingy crabs and lice can be. Casual sex can be fun and safe if you protect yourself. Potential playmates are more likely to be a willing participants if you show that you are wearing gloves.
Lubed gloves are slippery, sexy tools of pleasure, in the right hands.