set length and letters 2345678910+ remove filter▲ length12345678910111213141516171819202122232425 Answer CALTROP – Crossword Puzzle Solver clueanswerlengthSpiky device thrown in the road to puncture a speeding suspect's tiresCALTROP 7 Spiky device thrown in the road to puncture tiresCALTROP 7 Ball with four projecting spikesCALTROP 7 Police tire puncturing deviceCALTROP 7 Tire-puncturing stripCALTROP 7 Using the ToolVisit the instruction to find out more about this tool.