I did my sauerkraut in 5 gallon buckets because I had lot of cabbage, but what if you only have a few heads?
This site give a very good description, with pictures, of making 'kraut in mason jars.
It is worth saving on your hard drive. Or copy the text and make hard copy.
http://www.homesteaddreamer.com/2015/05/12/making-sauerkraut-in-a-mason-jar/You can find adequate substitutes for the "brand name" equipment being pushed in the article, but the
information is still good.