All apparel and footwear:
     At  the  main  menu, hold L + Y and press Right, Right, Left, Up,
Up, Up, Down, Left.

Mini-players:
     Pause  the  game, then hold L + Y and press Up, Left, Down, Down,
Right, Down, Up, Left.

Normal Players:
     Pause the game, then hold L + Y and press Right, Right, Up, Down,
Down, Left, Right, Left.