If you see window grills with a curve at the bottom here’s what it means

Window bars began as simple protection, solid metal meant to keep intruders out. The potbelly curve changed that—adding space for flower boxes and even window AC units, blending function with comfort in tight city living.

Over time, they became more than security. They signal a balance between safety and style—homes that are protected but still open to light, air, and a touch of life.