A young couple

A young couple was walking and then found a article that peaked their interest.

"Hey, honey. Look at this" The woman said. She notice the Reverse Pump. After reading its fuction, she pick a box containing the article.

"I want to try it out at home" The couple then buy it and go home.

At home, they pull off what was in the box, which include: a pump machine, a container, a hose, three that connect into the hose (a needle, a cup and a splitter).

"According to this, you have to put the hose head to the desirated body part, fill the pump storage with a fluid and then turn on the machine." the boyfriend said

"Well, that should be easy." the girlfriend said