This Speed Shift is full of surprises with its adjustable quick release tab and seventeen different size adjustments. You never have to worry about this ring not fitting. The ball rope works in combination with the ball guide to allow easy adjusting of the ring while in use. The 2 variance guarantees that every man can get the perfect fitting ring. Combined with a quick release tab, this product is ideal for first timers and individuals who are looking for an easy to use cock ring. When you put some lube on the ring, you can easily adjust the tabs to fit your growing cock. You will always have the perfect fit!