If what you want is protection, or if what you need is respect, use these reflective vests. They are easily seen: by the people around you, by rescuers, by traffic, by everyone. This means that it allows you to protect yourself and others more easily.
Furthermore, people will respect the vest and obey and listen, allowing you to command, direct, and move forward. This is useful in many situations, from directing cars in a parking lot to directing people in an emergency. Either way, you will help lead and stay in control using these vests.