“Caltrops” : An old-fashioned, inexpensive, and easily made device for disrupting transportation. Protesters in the US, China, and many other places have used these If strategic roads need to be blocked, or commercial transport needs to be disrupted, or perhaps parking lots of target companies… إن حيلة ال “Caltrops” قديمة الطراز، وغير مكلفة، ووسيلة سهلة…
