1) Creatures with quills 2) Creatures with sharp bristles 3) Prickly rodents 4) Some insectivores
Found on
https://www.crosswordclues.com/clue/hedgehogs
Chain Hedgehogs: these are light weight road barriers consisting of two tripods of steel members, with light chains stretched between them. The chains can be readily lowered to allow vehicles to pass, but if a vehicle hits the chain when taut, the two tripods are dragged into the sides of the vehicle making further progress difficult. Since all the...
Found on
http://www.defence-structures.com/glossary.htm
No exact match found.
