Add Yahoo as a preferred source to see more of our stories on Google. Ukrainian truck carrying caltrops. Anastasia Vlasova/Getty Images A Ukrainian company that manufacturers medieval armor for sport ...

Someone is placing caltrops on off-road trails near Courtenay, British Columbia, on Vancouver Island. Local mountain biker Erik Roy found the first one with his tire. The result was a puncture, and a ...

The Russians are facing a new threat behind the front line: tire-popping metal obstacles called caltrops dropped by drones. It is an ingenious new use of a very old weapon, which is causing problems ...

A Ukrainian company that manufacturers medieval armor for sport is now using its materials to produce "caltrops" — or "sharp, six-inch spikes that date back to ancient wars" — in service of the war ...

Add Yahoo as a preferred source to see more of our stories on Google. Someone is placing caltrops on off-road trails near Courtenay, British Columbia, on Vancouver Island. Local mountain biker Erik ...