<http://schema.org/mentions>
"Eiki Helgason, frontline rail jam, frontline railjam 2010, Gulli Gudmundsson, Halldor Helgason, Hoppipolla Headwear"^^<http://www.w3.org/2001/XMLSchema#string>
<http://snowboarding.transworld.net/videos/hoppipolla-at-frontline-railjam-2010/>