«وَتَرْفُلُ فِي ذَيْلٍ فَضْفَاضٍ»
It strides as if wrapped in a long, flowing hem.
Dhayl is a trailing garment hem; faḍfāḍ suggests breadth or looseness. The exaggerated clothing image hints at a needle followed by an extended thread, turning an everyday tool into a richly dressed character.