<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb61bb582cd_-_golf-gadgets-02-0513-lgn.jpg>
<http://www.popularmechanics.com/adventure/sports/g1734/8-golf-gadgets-to-improve-your-game/>