<http://schema.org/about>
"There is the basic bike rule that the lighter the bike, the heavier the lock. Toronto designer Andrew Leinonen breaks the rule; in his new design, the bike is the lock. It's really clever; the lock"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/bikes/clever-design-has-bike-frame-do-double-duty-as-bike-lock.html>