/**
  * @param Varien_Controller_Action
  * @param Mage_Catalog_Model_Product
  */
 function doBindWheelSide($controller, Elite_Vaf_Model_Catalog_Product $product)
 {
     $wheeladapterProduct = new Elite_Vafwheeladapter_Model_Catalog_Product($product);
     $pattern = $controller->getRequest()->getParam('wheel_side_pattern');
     if (!$pattern) {
         return $wheeladapterProduct->unsetWheelSideBoltPattern();
     }
     $boltPattern = Elite_Vafwheel_Model_BoltPattern::create($pattern);
     $wheeladapterProduct->setWheelSideBoltPattern($boltPattern);
 }