A portable retainer apparatus, and more specifically to a portable retainer apparatus adapted to retain a hanger when applied to and/or over a number of different surfaces is provided. Furthermore, the disclosure may further relate to a method for retaining a hanger with the apparatus in order to accord a user the benefit of hanging an apparel article outside or inside of a shower in order to dewrinkle such an article. The subject portable retainer apparatus exhibits the ability to carry such a retainer device and then place, on demand, such a device over a shower rod, shower door, shower door cover, shower wall, and the like, with a proper configuration to dispose of the subject apparel article at a selected distance near or away from a shower curtain or door when in use to maximize the benefits of heated shower moisture and steam for the above-noted purpose.