Mistress Katie St Ives has her slaves cock locked away in chastity punishment, he will have to masturbate her with a strap on. She spits on the cock and gets it wet to enter her pussy, the slaves cock bulges from the bars as she allows him to penetrate her . The slave is completely frustrated, his cock remains locked away just a few inches from her inviting pussy. Mistress Katie crawls on top and rides his strap-on cock until she cums. He gets the ultimate denial of going through the actions of sex with none of the pleasure for himself.