Safety lanyards are widely used in daily life, and are more common in high-altitude operations. They mainly serve as a connecting link to improve the safety of high-altitude operators.
The existing safety lanyards generally have a single rope and single hook structure. When used for a long time, when the same damage occurs, the entire safety lanyard cannot be used normally, which affects normal work. At the same time, the single rope is fixed, and the hanging is often In the case of empty and fixed damage, invisible accidents are likely to occur during use.
