What technique can enhance adhesion on glossy surfaces before painting?

Light scuffing or sanding is an effective technique for enhancing adhesion on glossy surfaces because it physically abrades the smooth finish, creating tiny grooves for the paint to grip onto. Glossy surfaces are often slick, making it difficult for paint to adhere properly, which can lead to issues such as peeling or flaking over time. By lightly scuffing or sanding the surface, you increase the surface area and introduce a texture that promotes a better bond between the surface and the primer or paint.

Additionally, this technique doesn't alter the integrity of the underlying surface significantly, allowing for a solid foundation for the paint without compromising the material. This preparation step can drastically improve the durability of the final finish, ensuring that the paint adheres well and performs as intended over time.