Wikipedia
Glorpy
Glorpy, sometimes known as the Haunted Handkerchief, is a close-up magic trick normally performed for children. This effect is also used in demonstrations of spirit writing when shown in a seance or mentalism context. Simple versions have been performed for years. A modern version by Bill Madden and Bernie Trueblood was created circa 1960 and declared the "Trick of the Millennium" by Genii, the conjurer's magazine.