A bonus that is added to, but separate from, a particular work. The practice of adding such a bonus to one's work has been around for a long, long time: Charles Dickens, for example, was a regular practitioner of it, back when he wrote his stories for newspapers and magazines. Other kinds of extras are making-ofs, outtakes, deleted scenes, concept art, Feelies and others. "Omake" is the anime fanspeak term. "Lagniappe" is a Louisiana Creole word commonly used by chefs that means "a little something extra". Print Bonus and Side-Story Bonus Art are Sub Tropes. Examples of Bonus Material include: