This link may help:
Here is a tutorial for making crackle ornaments: http://makethebestofthings.blogspot.com/2012/10/crackle-paint-those-christmas-balls-for.html
Sandy, did you mean crackle ornaments? Here is one tutorial on it: https://www.hometalk.com/11418231/solar-mason-jar-crackle-globe
Sandy, you can buy crackling to paint and put on ornaments at most craft stores, or order it at Amazon. You apply it like paint and follow the directions, it is not hard to do at all.