"Although tire shredding, I could image this would be a feature for law enforcement and security personal. Being able to turn on a spot as bodyguard for example would be worth a lot of tires if an emergency would occur..."
"Fantastic idea - I love that it was created by an African in Africa. However I do have concerns regarding micro plastic abrasives, slippery surfaces (when the initial spikes are worn down) and the future recyclability of the bricks. Could be a perfect solution for now but a pita in the future..."