dictionary.com provides this definition of fetish:
any object or nongenital part of the body that causes a habitual erotic response or fixation.
now you can try to deny it but you have one. just admit it and get it over with. you'll feel much better for it. and you might even learn a little about yourself. if you admit the fetish to a lover, it can be something you share. erotic things can happen when you give in to your fetishes.