The Uninhibited 2 Ring Harness is perfect for all strap-on devices! 1.Adjustable harness with dual ring design with quick release clasps and extension straps for additional comfort and fit. T-back design for dexterity. 2.Slip strap-on device through the two interlocking rings and allow the tension of the waist straps to hold the device securely. The two non-tarnishing interlocking rings are nickel free. 3.Adjust the nylon straps to complete the secure and comfortable fit. The extension straps may be used to allow more room to the harness insuring a pleasurable experience. One size fits most. Not only is the Uninhibited 2 Ring Harness extremely functional but beautiful at the same time... And soooo sexy!