Both companies and individuals see the great advantage of grippers. They provide enormous time savings during installation. Installation often involves working at great heights. There you do not want to work with tools, cable and pliers.
With the grippers you don't have to. Inside the gripper there is a conical spring system that allows the cable to be inserted and cannot return. The principle of a tai-rip but much stronger.
In addition, grippers are durable because they can be reused over and over again. By pressing the spring element the cable is released and can be taken out.