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.

Black News Black News
May 10, 2026 - 23:34
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.
Read More