What does string along songs about razor blades mean?

"String along songs about razor blades" refers to lyrics or themes in music that explore themes of pain, self-harm, or emotional struggle, often using sharp imagery as metaphors for deeper issues. These songs may convey the complexities of mental health, relationships, or personal turmoil. The phrase suggests a blend of melodic elements with dark, introspective content, creating a juxtaposition that resonates with listeners who relate to such experiences.