Unusual yes, effective, oh yes yes yes! The Nexus 'O' is a serious silicone innovator thanks to its wonderful three ball design which works to stimulate the G-Spot and perineum whilst providing a secure fit, leaving your hands free to wonder wherever they please! Developed in conjunction with the UK Sex Worker of the Year, the Nexus 'O' works by harnessing the user's body movements to massage and stimulate the three key areas needed for orgasmic success. Made from phthalate-free, super soft silicone for added comfort and flexibility. For advanced male use only.Ring Diameter: 2.5cmBall Diameter: 3.5cmHeight: 10cmMaterial: Medical grade siliconeFeatures: Three stimulation ballsSuper flexibleNon-vibratingLubricant: Water-based