Crease has a complex internal design with fold creases that are surrounded by small and large horizontal folds on the way to the inside. The multiple peaks and valleys increase the pleasure, and the vibration and fold crease design are highly compatible. The powerful vibration is transmitted from the inside, and the two complement each other, slowly increasing the sensation with every inch. At the end, there is a relatively gentle feeling, and entering this paradise, you must shoot in every corner! Crease is suitable for those who enjoy mild stimulation for a long time. The transparent cup shows your entire lewdness clearly and boldly! WARNING: Keep the product away from children. DO NOT expose the product or the charging device to humid places, direct UV or sunlight for an extended period. NEVER immerse or rinse the charging device in water or other fluids. If your toy appears to function abnormally, turn it off. Product is a reuseable after wash. DO NOT use this product with more than one person. DO NOT place any object inside the cup for use. Safety Precautions: Always clean the product before and after use. We recommend using water-based lube with your toy.