<p>Chris Loarie has waged a battle against the boarders, inventing something he calls skatestoppers (search) — metal brackets that serve as mini speed bumps and can render almost any surface unskateable.</p>
<p>"We've got customers that have, just here in San Diego, spent upwards of twenty, twenty-five thousand dollars replacing broken granite simply because of skating and biking," said Loarie, whose business Intellicept sells the product.</p>