For example, being a normal person is necessary to be accepted by a society, so how people who have privilege define what "normal people" are will have a strong impact about other people. People who have privilege don't care because they already have it, so they dominate this situation. Left-handed people face many situations that make them uncomfortable. For example, most shapes of scissors, the location of the shutter button on cameras, some tools, sports tools, some desks, and the location for inserting coins into vending machines are all right-handed. These situations always make lefties uncomfortable. However, since the number of right-handed people is much higher than that of left-handed people, they dominate society. Therefore, right-handed people have the privilege of left-handed people. The authors also focused on how people with disabilities struggle with society. Because they are not normal, they need more help than others in many situations, such as in schools. For example, each teacher usually has to have approx 40