Monkey hat

Monkey hats were a set of hats that could be obtained as an uncommon drop from the Squeal of Fortune during the third Wild Weekend of Mad May, along with monkey maces and monkey barrels. The set consists of:
 * Hear-no-evil monkey hats
 * Speak-no-evil monkey hats
 * See-no-evil monkey hats

Trivia

 * The names are a reference to the Three wise monkeys, whose names translate into hear, speak and see no evil.