Waterboarding may be an effective technique to persuade people to talk, but I find cockboarding even easier. The slave is trapped beneath a platform with his useless cock and balls hanging out. I dig my sharp heels, pointy toes, the ball of my foot and curved heel into his tender parts. The slave suffers but doesn't reveal the password. Out comes the urethral sounds- another effective way to make them talk....Especially when I simultaneously stick my high heel in his balls. All of a sudden, my work is done:)