The concept centers around the selection of coordinated or complementary outfits for female siblings to wear on October 31st. It encompasses various themes, ranging from popular culture references to interpretations of classic archetypes. An example includes one sibling dressing as a witch and the other as a black cat, demonstrating a cohesive yet distinct pairing.
This practice fosters a sense of unity and shared experience among siblings. It can strengthen familial bonds and create lasting memories. The historical context reveals that collaborative costuming has evolved from simple, homemade outfits to elaborate, professionally designed ensembles reflecting contemporary trends and interests.