According to BJ’s Gay Porno-Crazed Ramblings, the balls in bondage here belong to the prolific and popular gay porn star Jason Steel, and the photo appeared in The Advocate in 1986. I don’t know whether the cinched bit of clothesline signifies any sort of specifically kinky shenanigans, or whether it’s merely an improvised sex toy, being employed in one of the ways a cock ring might be:

Similar Sex Blogging:

• A Manly Bondage Enema
• A Vicious Military Scrotum Pinch
• Vintage Gay Bondage
• Crate Fun
• The Well-Enforced Squat