In the old days, there was a tradition concerning footwear. Those who scrub their shoes and boots would leave the fallen pieces of leather for Vidar to come and collect. The myth suggested that he, aware of his role in Ragnarok, prepared himself by making powerful shoes. He added the residual scraps to his own footwear making them firmer and stronger. These would enable him to easily step onto Fenrir’s jaw and open it wide allowing him to kill the wolf. That could explain as well the meaning of Vidar’s name as the wide ruler.