Flailpole

Cost: 15 gp
Weight: 10 lbs.
Damage: 1d6 (small), 1d8 (medium)
Critical: x2
Range: —
Type: Bashing
Category: Two-Handed Melee Weapons
Proficiency: Exotic
Weapon Groups Polearms, Flails
Special: Disarm, Reach, Trip

This is simply a heavy flail mounted on the end of a long polearm. It has the reach and trip weapon qualities.