There are a few methods to remove a damaged screw. One option is to use a screw extractor, which is a specialized tool designed to grip and remove stripped or damaged screws. Another method is to use a rubber band or steel wool to create extra grip between the screwdriver and the damaged screw. Additionally, you can try using a drill to create a small hole in the center of the damaged screw, then use a screw extractor or pliers to remove it. If all else fails, you may need to drill out the damaged screw and re-tap the hole for a new screw. **

One way to remove a truly damaged screw is by using a screw extractor. This tool is designed to grip onto the damaged screw and turn it out in the opposite direction. Another method is to use a drill to create a small hole in the center of the screw and then use a screwdriver to turn it out. If all else fails, you may need to drill out the entire screw and then replace it with a new one. **

One way to loosen or remove a rusty and damaged screw is by applying a penetrating oil, such as WD-40, to the screw and letting it sit for a few hours or overnight. This will help to break down the rust and lubricate the screw, making it easier to turn. Another method is to use a screw extractor tool, which is designed to grip onto the damaged screw and turn it out. If all else fails, you can try using a drill to carefully drill out the screw, being careful not to damage the surrounding material. **

To remove a damaged screw from a PC case, you can try using a rubber band or a piece of duct tape to get a better grip on the screw head and turn it counterclockwise. If that doesn't work, you can use a screw extractor tool, which is designed specifically for removing damaged screws. Another option is to carefully drill a small hole into the center of the screw and use a screw extractor bit to remove it. Be sure to use caution and take your time to avoid causing further damage to the PC case. **

Your pliers may be squeaking due to a lack of lubrication on the pivot point or hinge. Over time, dirt and debris can build up in these areas, causing friction and resulting in the squeaking sound. Applying a small amount of lubricant, such as oil or grease, to the pivot point can help reduce the squeaking and improve the overall performance of your pliers. If the squeaking persists after lubrication, there may be a more serious issue with the pliers that requires professional inspection and repair. **

A piercing pliers is a specialized tool used in body piercing to hold and stabilize the skin during the piercing process. It typically has a clamp-like design with a sharp, pointed end that is used to create a hole in the skin for the jewelry to be inserted. Piercing pliers help piercers maintain control and precision while performing the piercing, ensuring a clean and accurate result. **

If a screw on your 3DS was damaged while unscrewing, you may need to use a different tool to try and remove it. One option is to use a rubber band to grip the screw and turn it counterclockwise. If that doesn't work, you may need to carefully drill out the screw using a small drill bit. Be very cautious when attempting this and make sure to protect the surrounding areas of the 3DS to avoid causing further damage. If you are unsure or uncomfortable with these methods, it may be best to seek professional help to avoid causing more harm to your device. **

The term "dull" or "doll" for damaged screw heads likely comes from the idea that the damaged screw head looks like a doll's head, which is smooth and rounded. The term may have originated as a way to describe the appearance of a screw head that has been stripped or damaged, making it difficult to remove with a screwdriver. Over time, this term has become commonly used to refer to screws with damaged heads. **