Lydia demonstrates how to repair damaged corner bead products, focusing on both paper-faced and tape-on types. She walks through the process of fixing a roughed-up paper face, such as the No Coat and Clark Dietrich products, providing detailed steps for effectively getting the corner bead to lie flat again. Lydia explains the importance of using the right materials like all-purpose mud or Easy Sand, and shares helpful tips for dealing with cracks, loose mud, and stubborn lifts. She also covers techniques like using drywall screws or nails when necessary, ensuring your repair lasts. With easy-to-follow instructions, this tutorial will help you master quick and efficient corner bead repairs, perfect for high-traffic areas or smaller fixes. Whether you're a DIY enthusiast or a pro, this video offers expert advice for getting flawless results.