Join Drew Tabke and head judge Berti Denervaud for the quattro Performance Check to understand the skiing and judging behind his winning ski line in Vallnord-Arcalís! #FWT17 #DROPIN Audi Deutschland #Audi br br br Discover all official videos of the Freeride World Tour and experience the passion of Freeriding through the one and only Freeride Competition Series of the planet.