Things that only women own and understand what they are.

To choose the right gift, men need to know clearly what gifts their girlfriend likes. Because each girl will have her own preferences.

So to choose the right gift that makes her happy, it takes time to find out.

Men can know what she likes by observing her every day or learning from those around her.

Sometimes when talking, she will accidentally mention her preferences or want to buy something.

Answer: This is a high heel pad.