Revenge
LISA: I'm fine with it. The question is, are YOU ok with this?
CARRIE: (nodding her head) I am absolutely ok with this. Thank you, Lisa.
You keep licking Carrie's boots and it almost feels as if they forgot you were still in the room. You lick the entire backside of her boots from under her chair. You are laying on your stomach and Lisa orders you, "Start humping the hard floor and give us another edge, bitch" (do it). You begin to hump the floor and it actually feels pretty good. Lisa then reminds you that you are not to begin cleaning the front of the boots until you have edged humping the floor like a dog.
Carrie is enjoying this service. This if one of her own personal fetishes and she can't wait to get her boots off and get her toes into your mouth.
You feel yourself approaching the edge and Lisa steps on your ass with her boot pushing you hard into the floor. You think you are going to cum but she then uses the toe of her boot and steps on your exposed balls. You grunt in pain
(Squeeze your balls until you feel the edge go away)