Sugar Quills are delicate, spun-sugar sweets made to resemble real quills. Sold at various sweet shops, they can be sucked on secretly by students in class, as doing so simply makes one look as if they are thinking of what to write next. They are also available in a Deluxe variety, which, according to Hermione Granger, lasts longer. Harry Potter guessed this as one of the possible passwords when attempting to get into Albus Dumbledore's office in his fourth year.