Federal: Michal Šmelko / March 29, 2013 / H Man A sweet video from Federal this morning of their Czech Republic rider Michal Šmelko. He knows a thing or two about grinding as you shall see in this all street video editing by Edd Allen. Music: Chief Keef – Killa Chi Post navigation Older Newer Add a new comment CancelYou must be logged in to post a comment.