Those Scotch Brite pads are ideal for finish work after scraping. Corking is done to get an even higher polish to the wax. Brushing after you use the Scotch Brite also is good way to buff it out plus give you base a little structure. I start out with a medium stiff nylon brush then finish with a horse hair brush.
Keep in mind though that these extra steps are not all that important especially for groomed trails or old snow and is a waste of your time. The reason I do these extra step sometimes is due to either wet, sticky PNW snow or very cold, dry Alaskan powder. Any other type of snow and this really makes no noticable difference.
I have a complete waxing video posted in the maintenance section and the instructor`s section: