The transformation of ordinary items to be used as self-defense weapons is a topic that needs to be treated with caution. Although in some emergencies, it may be necessary to use the items at hand for self-defense, we must always keep in mind that safety comes first and that we must comply with local laws and regulations. The following are some common items and their possible modification methods, but please be sure to use them within a legal and safe range. ### 1. **key** -**Transformation method**: Clip the key between your fingers with the tip facing out to form a simple "finger tiger". -**How to use **: In an emergency, you can use it to poke the attacker's fragile parts, such as the eyes, throat or abdomen. -**Precautions**: Don't use too much force to avoid hurting yourself. ### 2. **Pen orpencil** -**Transformation method**: Keep the nib facing out and hold the pen body tightly. -**How to use**: You can use it to poke the attacker's eyes, throat, or other fragile parts. -**Precautions**: Choose a sturdy pen and avoid using plastic pens that are easy to break. ### 3. **umbrella** -**Transformation method**: Choose a sturdy long-handled umbrella, especially the style with a pointed tip. -**How to use**: You can use it to poke the attacker's abdomen or legs, or as a blocking tool. -**Precautions**: Make sure that the umbrella is strong enough and avoid using folding umbrellas that are too lightweight. ### 4. **Belt** -**Transformation method**: Remove the belt from the pants and hold the end of the buckle tightly. -**How to use**: You can use it to slap the attacker, or use the buckle part to hit. -**Precautions**: Make sure that the belt is long enough and strong, and avoid using materials that are too soft. ### 5. **Books or magazines** -**Transformation method**: Roll the book or magazine tightly to form a solid cylinder. -**How to use**: You can use it to hit the attacker's head or arm, or as a block tool. -**Precautions**: Choose thicker books to ensure that they are strong enough after they are tightly rolled. ### 6. **Water bottle** -**Transformation method**: Choose a sturdy plastic bottle filled with water. -**How to use**: You can use it to hit the attacker's head or arm, or as a block tool. -**Precautions**: Make sure that the water bottle is strong enough and avoid using fragile glass bottles. ### 7. **Flashlight** -**Transformation method**: Choose a sturdy metal flashlight. -**How to use**: You can use it to hit the attacker's head or arm, or illuminate the attacker's eyes with strong light to temporarily blind them. -**Precautions**: Make sure that the flashlight is strong enough and avoid using plastic flashlights. ### 8. **Hairpin or hairpin** -**Transformation method**: Choose a sturdy metal hairpin or hairpin. -**How to use**: You can use it to poke the attacker's eyes, throat, or other fragile parts. -**Precautions**: Make sure that the hairpin or hairpin is strong enough and avoid using materials that are easy to break. ### 9. **Shoes** -**Transformation method**: Choose a pair of shoes with hard soles and sharp toe tips. -**How to use**: You can use it to kick the attacker's legs, abdomen, or crotch. -**Precautions**: Make sure that the shoes are strong enough and avoid using materials that are too soft. ### 10. **Backpack or handbag** -**Transformation method**: Choose a sturdy backpack or handbag that can hold some heavy objects (such as books, water bottles, etc.). -**How to use**: You can use it to hit the attacker's head or arm, or as a block tool. -**Precautions**: Make sure that the backpack or handbag is strong enough and avoid using materials that are too lightweight. ### Important note： -**Legality and ethics**: In any case, the use of self-defense weapons should comply with local laws and regulations, and should only be used as a last resort. Excessive use of force may cause legal problems or harm others. -**Self-defense skills**: In addition to using objects, it is also very important to learn some basic self-defense skills (such as escape, blocking, hitting, etc.). -**Stay calm**: In an emergency, stay calm and quickly assess the situation to choose the most appropriate response. I hope this information will help you, but please always remember that **Safety comes first** and avoid unnecessary conflicts and dangers.