Tam O' Shanter

The Tam O' Shanter is a Hardmode vanity item purchased from the Clothier for, during Hardmode, on the night of a  Third Quarter Moon.

Trivia

 * The name "Tam O' Shanter" stems from the poem by Robert Burns with the same title, where Tam, the protagonist, is wearing such a bonnet.
 * When you jump, the hat goes slightly downwards.

History
Tam O' Shanter 苏格兰便帽