A SECRET WEAPON FOR SEX TOY

This website incorporates age-restricted materials such as nudity and specific depictions of sexual activity.以各种“神油”为代表，它的作用原理是涂在龟头后起局部粘膜麻醉作用，降低外生殖器的敏感性，从而提高激发射精的刺激强度（阈值）、延长性交时间。对于阴茎皮肤、龟头粘膜�