<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x240/54caaa95f2973_-_leatherman-sketch-lg.jpg>
<http://www.popularmechanics.com/technology/design/g440/the-invention-of-the-leatherman/?click=pm_news>