To make his genitals more accessible I am pulling some tight rubber tubes over his dick and balls. Now they are peefectly exposed to slap around. I am slapping and squeezing his testicles while he moans in his gag. No escape prisoner. I can do this as long as I want. No one will hear you scream. Then I take a thin black string and pull a around his glans, pulling it tight and taught, causing him sensitive pain. Then I pull the string around his already tight balls and attach it to his collar ring. I pull it tight and his balls are pulled up nicely. Now they are even more easy to slap. In this... Show more