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From Pathfinder Howl of the Wild, which isn't enabled.

Mantle of the Tikbalang

ITEM 8
UNCOMMONINVESTEDMAGICAL
Price 425 gp
Usage worn cloak
Bulk 1

This long hide cloak is stitched with patches of the ebony hair of a tikbalang. While wearing this cloak, you take a –2 item penalty to saves against illusions but gain a +2 item bonus to Deception checks.

Activate—Illusory Thrash (concentrate, illusion, manipulate, mental)
Frequency once per day
Effect You wrap the mantle around your body, causing you to briefly appear much larger than you are. Make a melee Strike. This Strike deals an additional 4d6 mental damage.
Craft Requirements The initial raw materials must include the hide of a tikbalang.
Pathfinder Howl of the WildORC