From Pathfinder Treasure Vault (Remastered), which isn't enabled.

Three-Section Naginata

ITEM 0

UNCOMMON DEADLY-D8 FORCEFUL SWEEP VERSATILE-B

Price 12 gp

Usage held in 2 hands

Bulk 2

Category advanced

Group flail

Damage 1d8 slashing

A fusion of a naginata and sansetsukon, this three-section weapon has a sweeping, curved blade along each of the outer sections. Though difficult for anyone but an expert weapon master to use effectively, the three-section naginata can be wielded at devastating speed to slice or smash apart a foe.

Pathfinder Treasure Vault (Remastered)OGL