Most Humiliating punishment

[BDSMman]

Theres a friend of mine who has a cute 19 yo female slave and she had recently been so rude that she one time hit him on face so he want me to get him the most humiliating experience that ever and would ever happened and to make her remember this punishment till she dies and NO LIMITS

Waiting for your ideas

 

[321tt]

I hope this is not against the kinktalk rules, but find the Public Disgrace portal and make her register there for participating.