A person with a fetish has a compulsive need to use the object to obtain sexual gratification and cannot achieve this without it. For example, George must have a view of his wife's feet in order to get an erection. An object, body part or substance that an individual finds highly sexually arousing. A fetishist may require the presence of the fetish in order to be sexually aroused. Sometimes slaves are trained to be aroused by certain fetishes. Some examples of common fetishes are: foot fetish, latex fetish, underwear fetish, etc.