Ass washing: Ass (also called hip, thigh means thigh) is a round and muddy part behind human pelvis. At the junction of human waist and legs, butt is the place where human body sits, and it is also the main organ for excreting human excrement and planting plants. It can be said that it is both sacred and evil. For many years, only women washed every day, but men ignored its health care function. In fact, men should also pay attention to the importance of keeping clean. Wash their buttocks (and front and back organs) with warm water before going to bed every night. It can be said that washing fart clothes can not only remove malodorous gases, but also remove them.