The three Mistresses subject the slave’s cock to intense stimulation. “Just think what that slave’s going through right now”. “I’m going balls deep” says Mistress Ava as she slides the sound deeper and deeper into the slave’s cock. Lady Bellatrix applies a vibrating wand to the sound while Mistress Tiffany applies a small vibrator just underneath the slave’s bell end. “No coming slave - not unless we authorise it, and if we do allow you to cum it must be at super speed”.