Disney has not added a fifth key to its Four Keys. Joining Safety, Courtesy, Show, and Efficiency is Inclusion.
Theme park employees will be allowed to dress in a manner that better expresses their cultures and individuality. This includes allowing gender-inclusive hairstyles, jewelry, nail styles, costume choices and appropriate, visible tattoos.
https://abc7.com/disney-dress-code-look-world-disneyland/10513174/
