No Space Occupancy ：You only need a small part of the wall to install the retractable safety belt guardrail. This guardrail takes up less space than traditional columnar guardrails. The high flexibility of length makes it the most convenient tool to help control traffic flow. Material ：Nylon rope control guardrail with plain weave technology is more flexible than disposable warning tape. The outer shell is made of stainless steel and has a longer service life. Safety Control ：The wall-mounted isolation belt has a built-in buffer device, and the isolation belt reduces speed, effectively protecting and reducing damage to the retractable device; bearings are installed at both ends of the shaft, and the retraction is smooth without jamming. Multi-purpose ：Crowd control barriers are used to maintain order and control the flow of people in most situations, such as retail stores, airports, banks, security lines, check-in counters, restaurants, hotels, etc.