


In the book, however, it is Tonks who finds Harry under the Invisibility Cloak.Harry Potter Audiobook: Relive the Magic of Hogwarts In this way, Luna is able to locate Harry under his Invisibility Cloak after he was put under the Full Body-Bind Curse by Draco Malfoy because Luna claims his brain is infested with Wrackspurts. In the film adaptation of Harry Potter and the Half-Blood Prince, Wrackspurts can be seen by using spectrespecs.In the 21st century, Wrackspurts had to be collected by the Statute of Secrecy Task Force in order to address the Calamity. Once in Diagon Alley, Luna Scamander suggested to a muddled student that there might be Wrackspurts flying around their head. Xenophilius Lovegood's attempt to recreate Rowena Ravenclaw's Diadem included Wrackspurt siphons "to remove all sources of distraction from the thinker's immediate area".

In 1998, The Quibbler reported that some Wrackspurts broke out of the Ministry Elfin' Safety Enquiry. This, however, was actually a distraction so Jacob's sibling could put on their Invisibility Cloak without Aberforth Dumbledore noticing. In the 1989–1990 school year, Badeea Ali claimed the Hog's Head Inn was infested with Wrackspurts. Those suffering from Wrackspurt infections could possibly dispel them by thinking positive thoughts. Supposedly, Wrackspurts could be seen with aid of Spectrespecs.
