Poz Breeder Shares His Techniques I’m a biker living in London UK, and I’ve discovered three major ways of pozzing up unsuspecting negs. Thought I’d share my techniques with you blokes. The first I discovered by accident when I was fucking a guy and the condom broke. I said I was sorry, and I was, but later the memory made me smile. Sometime later when I was doing another guy, and the.