This is the Aqua Lung Quick Glove Ring Features: Installs on Commercial Grade or EZ-On Dry Gloves Don by squeezing. Doff by turning the threaded Release Ring with one hand Compatible with Quick Clamp Wrist Rings & round SLT rings only Quick Glove Rings are a system for quickly attaching and detaching dry gloves from a Drysuit but must be used in conjunction with quick cuffs or SLT round rings.