The part of the body Pisces rules are the feet. And in astrology, each sign is connected to/aligned with/ what we call ruled; a part of the body. For Pisces, the feet are important because, in many ways, the feet represent our ability to move forward in life. For a Piscean particularly, I'll just touch on health briefly, a Piscean should be very sure that he or she wears good fitting shoes and takes care of his or her feet.
In sex, the feet for a Piscean respond erotically. It turns a Piscean on. And so, a lot of technique for the foot, let's say touching, kissing, sucking toes, putting your lips against the bottom of the feet, will give a Piscean extra pleasure and heighten the quality of the sexual encounter. So, for a Piscean, the Pisces enjoys giving sexual pleasure using his or her feet. Don't be shy about letting your Piscean use the feet to touch your areas that you find erotic and arousing. Through the feet the Pisces feels deep sexual energy.