Reduce Fraying
The ends of towels often experience the greatest wear.
The tighter weave of the dobby border helps strengthen these areas, which can contribute to improved durability and reduce the likelihood of loose threads developing along the edges.
It Adds a Decorative Touch
Of course, aesthetics are still important.
Manufacturers use these borders to create visual interest and give towels a more refined appearance. Different patterns, textures, and designs can make otherwise simple towels look more elegant.
This is one reason decorative bands are common in hotels and upscale