Step 1: Materials
and your choice of colors for the nebulas. I used yellow and red.
small paint brush
Water (for cleaning brushes and blending paint)
Paper Towel (for cleaning mess and wiping brushes)
Step 2: Painting the Shoes
Then blended in red and yellow for my nebulas. Just sponged them right in there.
Added white swirls, then blended them in
Splattered on stars with a tooth brush and a paint brush. Without the tooth brush, just spattering it on looks sloppy (I tried it my first time).
Point the toothbrush towards the shoe then scrape the end of the paint brush against the bristles, pulling towards you. None will splat on you if done right.