抽插鸡巴，戴着白色乳胶手套的女主人。

The cock is attached to the opening of the penis pump. When the air is pumped out, the cock is automatically pulled in and becomes more and more voluminous due to the negative pressure in the device. In our official clip stores you can see the whole truth. Every beginning is hard and we have learned a lot about the use of the penis pump since recording this video. So check out our other penis pump videos and you'll know what we mean.