A '''Tri-Corner''' was a three-cornered hat, used mainly in the late [[17th century|seventeenth]] to mid [[18th century|eighteenth century]]. Tri-Corners were part of [[Fred Weasley|Fred]] and [[George Weasley]]'s wares at their [[Fred and George Weasley's Shop|store]] at [[Hogwarts Castle]], in the [[1992-1993 school year]].<ref>''[[Harry Potter and the Chamber of Secrets (video game)]]'' - GBC version</ref>
A '''Tri-Corner''' was a three-cornered hat, used mainly in the late [[17th century|seventeenth]] to mid [[18th century|eighteenth century]]. Tri-Corners were part of [[Fred Weasley|Fred]] and [[George Weasley]]'s wares at their [[Fred and George Weasley's Shop|store]] at [[Hogwarts Castle]], in the [[1992-1993 school year]].<ref>''[[Harry Potter and the Chamber of Secrets (video game)]]'' - GBC version</ref>