After enduring a grueling 14-hour shift at the hospital, Katya, a 45-year-old nurse, finally stepped through her front door. With each step, she could feel the unmistakable stickiness of her soles. Her feet were drenched in sweat, and the pungent aroma emanating from her work-worn sneakers was overwhelming. As she let her slave peel off her damp ankle socks to release her dusty feet, she finally relaxed as her soles received a well-deserved tongue cleaning and worshipping.