2. You can find a paper clip and replace it after straightening.
3. Pins: Pins are often used on badges. Students' parties and office workers can take out their mobile phone cards with the pins on them if they have badges.
4.Pin: it can be used instead of the card pin.
5. Key ring: Choose a key ring with the same thickness as the pick-up pin hole. The key ring is bent and needs to be straightened before use.
6, metal earrings: non-gold, gold is soft and easy to bend.
Remember not to use anything that is easy to fold and bend (such as toothpicks).