These are long, thick, sharp-pointed pieces of metal or wood attached to metal sheet or wooden boards and spread over the width of the road or a path to fill in as an obstruction for an intruder. Spikes are collapsible, removable or fixed on the road generally 5-6 feet long along the section required to be guarded. These snags are basically designed to empty tires in a way useful to law authorization organizations when the security situation in undermined for various reasons.
- Fixed Spikes : The fixed type spikes are used at locations or installations where threat is recurring and are activated during the attack.
- Collapsible Spikes : Collapsible spikes are for temporary use and can be placed and removed from a location as and when required.
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