Spiked armor
Proficiency: Martial
Weapon Class: Melee
Category: Light Melee
Damage: (S) 1d4 (M) 1d6
Critical: ×2
Range: —
Weight: special
Type: Piercing
Weapon Groups: Close
Source: Pathfinder Core Rulebook
Description
You can outfit your armor with spikes, which can deal damage in a grapple or as a separate attack. See Armor, below, for details.