I would recommend doing it outside as it stinks and the rust from the steel wool will stain concrete so do it in a shop or over the road. DIY Vintage Wood Stain look. (How to age new wood). Good for all things wood!
I can so use this for my wedding - DIY - Inspirational quot sign. "Excuse the Mess. The children are making memories." How to make a sign with an inspirational quote for just a few dollars! A very easy technique @ By Wilma