Sport 17.04.2015 Author: fireone Billy Morgan's World First Backside Quadruple CorkThe UK rider Billy Morgan writes a new chapter in snowboard history by landing a Backside 1800 Quadruple Cork. This is one insane trick for sure! Share on Share Tweet StumbleUpon 5 Write a comment…SubmitCurrent article has no comments yet.Will you be the chosen one who will comment first? 😆