Extricate comes with two built-in widget-ready areas, in the sidebar and in the footer. The sidebar can have as many or as few widgets as you like (and, of course, is also resizable), and the footer is optimised to have three widgets (but can have more or less if desired). Never go hunting through raw code again — just drag and drop to make your sidebar and footer look great.
So, in the sidebar, add whatever content you want:
And in the three widget areas in the footer, drop in whatever extras are needed: