Wei Zi had better use the airplane cup.

Of course, it depends on your own hobbies. What are the disadvantages of manual operation? You must do it yourself. It lacks authenticity. What are the disadvantages of automation? It's hard to control. Your satisfaction is hard to control.

Aircraft cups belong to men's portable sex toys. Under the great pressure of modern society, relieve the venting of male desires. Don't discriminate against the use of airplane cups, but don't blindly exaggerate the role of airplane cups. It has no health care and thickening effect, but is only used to relieve personal desires like masturbation, so please use it sparingly.

Small in shape, like a coke cup, imitating three sexual channels: vagina, mouth and anus. Because the built-in structure is highly simulated, it is very realistic to use.