How to do Duhart's vacuum exhaust method?

Exhaust method: first pour the lubricating oil in, pour it deeper, and then squeeze it from the bottom of the net. Lubricating oil is squeezed up, there is no air below, and then it enters.

The NPG Japanese female worry device is reversed, and the masterpiece is 003 points ys (mature female type) OL (girl type).

003YS mature female type (slow play)

003OL girl type (just a little more exciting than YS) is actually slow play, and many lovely new cities choose to play slowly.

005 Zhang Xiaoyu is irritating.

006 Yan Ruyu belongs to soothing type with moderate stimulation.

008 (an upgraded version of 003YS) is more mature, which means playing more slowly.

009 structure says stimulation, but it is not so exciting, but the entrance is more exciting, and the stimulation degree of the channel is relatively less than that of the entrance.