Head protectors are essential safety gear for various activities such as cycling, skating, and sports. There are different types of head protectors called by different names depending on their design and application. For instance, helmets are the most common type of head protector, followed by headgears, head shields, and cranial caps. Motorcycle riders use helmets, whereas baseball players and football players wear headgears. Head shields are used in construction sites, whereas cranial caps are used for medical purposes. Regardless of the name, the main function of all head protectors is to safeguard the head from injury. Therefore, it is important to choose the appropriate head protector depending on the activity or occupation.