There are a few reasons why rappers might choose to wear ski masks. For one, it can help them to stay anonymous and keep people from knowing their identity. Additionally, it can make them look more intimidating or “gangster”, which can be helpful in creating an image for themselves. Finally, it can simply be a fashion statement – some people just think it looks cool! Regardless of the reason, it’s clear that ski masks have become a popular choice for many rappers.