Foot fetishism has been defined as a pronounced sexual interest in feet. For a foot fetishist, points of attraction may include the shape and size of feet and toes (e.g. long toes, short toes, painted toenails, short or long toenail beds, high arches, soles, etc.), jewellery (e.g. toe rings, anklets, etc.), treatments (such as massaging, washing partner’s feet or painting partner’s toenails), state of dress (barefoot, flip flops, sandals, high heels, hosiery, socked feet, etc.), foot odor or sensory interaction (e.g., rubbing the foot, tickling, smelling, kissing, biting, licking, sucking toes, rubbing genitals on foot, etc.).
Extensions of this fetish include shoes, socks, odour fetishism and tickling. Sigmund Freud also considered foot binding as a form of fetishism.
Odor fetishism (pertaining to the smell of feet) seems to play a major role in foot fetishism, and is closely related to it: in a 1994 study, 45% of those with a foot fetish were found to be aroused by smelly socks or feet.