What is scrooge nightcap?

Scrooge's nightcap is a type of hat traditionally worn by Ebenezer Scrooge, the main character in Charles Dickens' novel "A Christmas Carol." It is a type of nightcap made from a soft material like wool or flannel and worn to keep the head warm during cold nights or while sleeping. The hat is usually pointed at the top and often depicted with a tassel or pom-pom on the end. The nightcap has become a popular symbol of the character Scrooge and is widely recognized as part of his iconic attire. It is often associated with the image of the character as a miserly old man who eventually learns the true meaning of Christmas.