There is nothing hotter for Sarah than knowing her slave is starving for her permission to find relief. She knows that she is the only one with the key and she is the only one that can release him from the pressure. She teases her slave with sexy pictures of herself and she dares him to try and find relief. She refuses to give him any relief if he's been a naughty boy or if she just doesn't feel like giving it to him.
When Princess Portia has a key, it's to the lucky slave that my find some relief for their trapped dick. She doesn't always do it but for some lucky slave, the relief will come. She will take the time to put on a sexy piece of lingerie before she makes contact. She will think about what she wants and she will give permission for them to find their pleasure. If she doesn't give permission, there won't be any relief and the punishment is unbearable.