A spiral staircase with finely textured friction and dynamic stimulation, providing a lifelike teeth-grinding experience. Function:  Male Masturbation Toys Color: White Size: 14 * 6.5 cm/5.5 * 2.6 inch Net Weight: 240 g/0.53 lb/8.5 oz Power: No Material: TPE Package: OPP Bag Further:...