First, fully lubricate the sounds from the inside to the outside, and then insert them slowly. If there is any obstruction during the insertion process, you can quickly inject the sterile lubricant prepared in advance. The side hole design will work, allo

First, fully lubricate the sounds from the inside to the outside, and then insert them slowly. If there is any obstruction during the insertion process, you can quickly inject the sterile lubricant prepared in advance. The side hole design will work, allo