Home | About | Credits | Volumes | Index « Calipers Calygreyhound » Index Caltrop See also: Caltrap in Pictorial Dictionary of Heraldry. 1 Entry • Display: Details | Item A military obstacle, designed to rest point up and endanger those who might step upon it.Default posture: point to chief. No proper coloration.Source: Pennsic Traceable Art. Artist: Unknown. Page 14.126 PDF, PNG Charge PNG, SVG, PDF Details, PNG, SVG, PDF