In public, in the face of sudden danger, the use of simple objects for defense is a means of self-protection in emergency situations. However, the first principle is to avoid conflicts as much as possible, ensure your own safety, and seek help as soon as possible. Here are some suggestions to help you use the items around you for defense in an emergency.： ### 1. **key** -**How to use**: Clamp the key between your fingers with the tip facing out to form an effect similar to “finger tiger”. When defending at close range, you can use the tip of the key to attack the opponent's hands, face, or other fragile parts. -**Precautions**: Keep calm when using and avoid excessive force so as not to hurt yourself. ### 2. **Pen or fountain pen** -**How to use**: Hold the pen in your hand with the tip facing out, which can be used to stab the opponent's arm, face, or other exposed area. -**Precautions**: The tip of the pen is relatively sharp, so be careful when using it to avoid hurting innocent people. ### 3. **umbrella** -**How to use**: Umbrellas can be used as long-handled weapons to push or hit opponents. Especially in the case of folding umbrellas, you can stab with the tip of the umbrella. -**Precautions**: Umbrellas are bulky, so you need to pay attention to controlling the strength and direction when using them. ### 4. **Water bottle or cup** -**How to use **: A water bottle or cup filled with water can be used as a throwing object to distract the opponent or create chaos. It can also be held in your hand and used to hit the opponent. -**Precautions**: Pay attention to the surrounding environment when throwing to avoid hurting others. ### 5. **Backpack or handbag** -**How to use **: Use a backpack or handbag as a shield to block the opponent's attack. You can also wave your backpack to create space and buy time to escape. -**Precautions**: When the backpack is heavy, you need to pay attention to controlling the strength when swinging to avoid losing your balance. ### 6. **Mobile phone** -**How to use **: Mobile phones can be used to throw, make noise or distract each other. You can also hold it in your hand and hit the opponent with the edge. -**Precautions**: Mobile phones are more expensive, so you need to weigh the pros and cons when throwing them. ### 7. **Coins or small objects** -**How to use **: Hold a coin or small object in your hand and use it to throw the opponent's face or eyes to create brief interference. -**Precautions**: You need to throw quickly to ensure that the opponent cannot easily avoid it. ### 8. **Chair or stool** -**How to use **: In restaurants or other public places, chairs or stools can be used to block or even hit each other. -**Precautions**: The chair is heavy, so you need to ensure your own safety when using it to avoid being taken away by the other party. ### 9. **Books or magazines** -**How to use**: Roll up a book or magazine and use it as a short stick to hit the opponent's arm or head. -**Precautions**: The book is light and needs to be used quickly and accurately. ### 10. **Scarf or belt** -**How to use **: A scarf or belt can be used to wrap around the opponent's arm or neck to create a binding effect. -**Precautions**: Use it quickly and accurately to avoid being counter-controlled by the other party. ###**Important note：** -**Stay calm**: In any situation, staying calm is the most important thing. Panic may affect your judgment and actions. -**Assess the environment**: Before taking action, quickly assess the surrounding environment and look for escape routes or opportunities for help. -**Avoid excessive violence**: When using items for defense, self-defense should be the main focus, and excessive violence should be avoided so as not to cause unnecessary harm. -**Ask for help**: When possible, call for help as loudly as possible, attract the attention of people around you, and ask for help. ###**Legal and ethical considerations：** -**Legal self-defense**: In most countries and regions, self-defense is legal, but you need to pay attention to the limits of self-defense. Excessive use of force may result in legal liability. -**Moral responsibility**: In the process of self-defense, try to avoid hurting innocent people and ensure that your behavior complies with ethical norms. ###**Summary：** In public, the use of simple objects for defense is a means of self-protection in emergency situations. However, the most important thing is to stay calm, evaluate the environment, try to avoid conflicts, and seek help as soon as possible. Hope these suggestions can help you better protect yourself in an emergency.