Ex-prison guard invents spike-lined tyre shredder to deter motorists after inconsiderate drivers ruined his grass verge
- Posted on May 10, 2026
- By Daily Mail
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- 1 min read
Ex-prison guard invents spike-lined tyre shredder to deter motorists after inconsiderate drivers ruined his grass verge
Kevin Pringle, 64, has patented the picket-style Smart Fence, which features hidden spikes that activate when a vehicle hits them - much like a police stinger.