Source Ultimate Wilderness pg. 173
Associated Terrain any with undergrowth
Type mechanical; Perception DC 25; Disable Device DC 20EffectsTrigger location; Reset automatic
Effect By hiding lengths of sharpened sticks or bones amid undergrowth (traditionally tall grass; when used in coastal or underwater areas, this trap is instead called a razor kelp trap), the trapper can lay a simple but effective trap. Whenever a creature moves into a square that contains razor grass, it takes 1d6 points of damage and must succeed at a DC 20 Reflex save or its speed is halved for 24 hours or until it receives magical healing or benefits from a successful DC 15 Heal check.
See Wilderness Traps for information on this traps Associated Terrain.
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