Concept: Small, tenacious sandspur-like creatures that carry and spread the parasite by clinging to clothing, fur and other porous surfaces.  Parasite Spurs are silent and often blend in with the environment.  Legionnaires may pick them up unwittingly and carry them around for days before they explode on their on.
Content: Creature
Writing: Brian Colin & Ross Brandt
Art/design: Ross Brandt
Source: Vast Grimm Core Book