MAHI fez
From A KoL Wiki

MAHI fez
This is a fez embroidered with the cryptic word "MAHI." You'd think that if you put two of them together, you'd have a tasty fish, but you'd be wrong -- there's only one of them, and Boozerbear has it, so you won't ever put two of them together.
Type: hat
Power: 200
Moxie Required: 85
Cannot be traded.
Cannot be discarded.
Enchantment:
Moxie +30