Having the use of both of your hands when diving with a light can make a big difference in the outcome of your dive objective, if you are searching for lobster on a night dive, or looking under rocks for tasty reef fish to fry in a skillet having both hands freeis a must! Neoprene Headband is compatible with all Nite-Rider light heads, fully adjustable with a new rear strap to secure the light from moving forward and back. When you turn your head to look at something your light instantly illuminates it for you.