Window bars, also known as security bars, have been used for centuries to protect buildings from break-ins. Some bars feature a potbelly, a bulge in the middle, which serves multiple practical functions. These potbelly bars provide support for flower boxes, enhancing window aesthetics, and offer extra space to securely hold air conditioning units. When selecting window bars, consider durability, material, and installation to ensure both security and functionality. Online retailers and hardware stores offer various options, but proper installation is key. While effective, window bars should be part of a broader security strategy for optimal protection. of your home or building.