By the means of ruleless arrangement , unique arrangement or inerratic reiteration , suture can form various patterns , which trace primarily intends to oversew three layers of materials hard , and prevent movements of fillings such as spray - glue cotton , wool , plume and so on . on the other hand , the trace can impress the sense of three - dimension and make it panoplied 绗缝是利用缝线在物料上组合成无规则排列和独立的或者是有规则排列重复的各种图形的轨迹，这些图案不只是为了牢固地缝住三层物料，防止填充料移动，还可以增强缝制品的立体感，提高其装饰功能。
