Designed and built by AARDVARK for use in the Marine Corps Nonlethal Capability Sets, the USMC Caltrop is a tire deflation and anti-personnel device. Designed to rapidly deflate tires or to deny personnel access to a particular area, the Caltrop will land with one spike up no matter how it is thrown. Due to its arrowhead spike design, it will create a large gash in passenger and off-road tires while remaining in the tire to "hold open" the puncture for more rapid air escape. Caltrops are deigned to be stacked for easy carrying, and feature "string holes" allowing them to be strung together with 550 cord or comm-wire for more rapid deployment. Caltrops are made from heavy gauge steel and powder coated to prevent corrosion.