Protect Your Cable and Sensitive Ports with JerkStopperJerkStoppers remove the stress and strain from a cable or cord, ensuring the plug stays in and is protected from damage.The JerkStopper Tethering Kit is the complete tethered set-up, securing the cable on both the camera and computer. The JerkStopper removes stress and strain from the cable and device ensuring the plug stays in and prevents cable or equipment damage.The patented JerkStopper cable retention device provides an anchor point allowing slack in the cord preventing damage or dislodging. Once installed, the Camera Support’s quick disconnect enables future tethering set-up in seconds.Use the JerkStopper with any standard A/C power adapter cord, sync cable, HDMI, USB or FireWire. Supports cable diameters from 3.5mm to 8.5mm.The JerkStopper is a versatile and inexpensive tool that could potentially save hundreds if not thousands of dollars in preventable equipment damage.