Orgasm control slave

Description: My slave is in a dark room, when i want to do something with him, i can come at any time. i want to go to him in a dark room and look at his legs, hands, see how he is tied up and how he feels with a gag in his mouth. when i turned him over on his side, i saw that his penis was excited. i will give him a handjob, but i will control it, because i do not want him to cum.