The method of private protection for southern girlfriends. Before going to bed every night, after cleaning the vulva, lie flat and raise your hips; Remove the protective caps at the front and rear ends of the auxiliary device, slowly push the special sheath box with the auxiliary device into the depth of the female I channel, and then pull out the auxiliary device. Lie on your back with your hips raised 10- 15 minutes, once a day, one at a time, wear pads when using, and don't share a room with me for 24 hours.