Add in some shredded carrots, and maybe some beets, and some garlic as well. You can use some red cabbage mixed in to add color as well. And a bit of apple too.
Mr. B from the old McKay's recipe was very simple. He told me that he cut the core out of the cabbages, fill them with salt, and store them in a leak proof covered container until they were finished "working". He suggested using a new and cleaned, covered garbage can.