Luxury BDSM Silky Slave Collar

You have made up your mind. After a period of training, she/he has earned the status to be your slave. How do you tell her/him and the world that she is the one? We can't think of anything better than these BDSM Collars. Not only BDSM enthusiasts will find this collar useful, but regular couples can also utilize it to spice up foreplay.