The Proto® hard hat lanyard is a great way to prevent your hard hat from becoming a dropped object. It can be used with almost any hard hat and is a comfortable alternative to the traditional \"chin strap\". While keeping your helmet secure, the patented lanyard, attaches to an outer garment never impeding on the comfort or use of the hard hat. Proto® Hard Hat Lanyard, 23 in Working Length, Fastening Method: Carabiner, Elastic Nylon Line/Steel Hardware, Red