Notice: Massage Packages (MP) and E-Gift Certificates (EGC) DO NOT INCLUDE gratuity or massage enhancements (add-ons). If you are using a MP or EGC and want to add massage enhancements, please call or text (703) 646-8848 to add it to your appointment. gratuity and add-ons will have to be paid for over the phone with a credit card prior to the appointment or at checkout with the receptionist.