The basic technology of multi-cycle and multi-line patterns, which resemble the hide of rhinoceros coated with lacquer, should undergo a series of processes on a multi-layer fold steel material.

• 重圈纹和组丝纹的基本工艺当与髹漆中的犀皮相似，应是在多层积叠的钢铁料上，进行“做坑锻平”等一系列加工。