The tag implication #54433 birthday_hat -> hat has been rejected.
Reason: A birthday hat is a type of hat.
EDIT: The tag implication birthday_hat -> hat (forum #390277) has been rejected by @DefinitelyNotAFurry4.
Updated by auto moderator
Topic: [REJECTED] Tag implication: birthday_hat -> hat
Posted under Tag Alias and Implication Suggestions