A curve or pinch in the rope or webbing strains the fibers on the outside and compresses the fibers on the inside, so that the inside and outside fibers are no longer working together.

• 绳子上的弯曲或是挤压，会造成外皮的绷紧和内芯的压缩，因此绳子的内外将不再是平均的分摊受力。