For a child with atopic dermatitis, it is important to prevent skin damage caused by scratching. Wrapping hands in soft cotton gloves can help achieve this by minimizing the damage done to the skin. High humidity environments, furry or soft stuffed animals, and frequent showering can all potentially exacerbate the condition by either promoting irritation or increasing the likelihood of allergic reactions. Thus, the correct answer is wrapping hands in soft cotton gloves.