10% off. Expires on 12/02/2013.
There is a "Smokin Deals" section of the site that shows all of their clearance stuff. Often the discount codes also apply to these items too. http://www.daddiesboardshop.com/clearanceitems.aspx
Never Summer Concept Pre-Built Longboard Complete Skateboard is discounted $20 for a limited time due to an ordering mistake so they have too many of them and want to move them out.