» "Lifering" redirects here. For the addiction recovery group see: LifeRing Secular Recovery A lifebuoy, ring buoy, lifering, lifesaver or lifebelt, also known as a "kisby ring" or "perry buoy", is a life saving buoy designed to be thrown to a person in the water, to provide buoyancy, to prevent drowning. Some modern lifebuoys are fitted with a seawater-activated light, or lights, to aid rescue at night. The lifebuoy usually is ring-shaped or horseshoe-shaped and has a connecting line allowing… (More on Lifebuoy)