In appearance, it is a fine silk cap with intricate stiching in orichalcum thread. It never shows signs of age or wear. Any Exalted that wears it will never suffer a Limit Break. However, she will continue to accumulate points of Limit as appropriate. When she takes off the hat, she will immediately suffer a Limit Break if her Limit is at 10 or higher, with appropriately increased duration and strength based on however much her Limit is over 10.
Early in the First Age, the No Moon scholar Woodchuck the Younger first compiled this impressive tome, which recorded all known history, had encyclopedic knowledge of cultures and customs across Creation, and instructions on how to perform a wide variety of useful tasks. It was intended as a primer for children, and widely distributed to those who followed the philosophy of preparedness espoused by Woodchuck the Younger. New versions were periodically produced over the centuries, right until the end of the First Age.