98 percent have their dominant hand controlled by the left brain. That means that only about 12 percent of all people have a dominant hand controlled by the right brain. When you are ready to give this a try, free write with your non-dominant hand. In a loose and relaxed state, let the non-dominant hand say just whatever it wants to say. You will almost certainly be surprised.
Many people find that the subject-matter of the free writing becomes childlike.
Artists sometimes spark their creativity by drawing and sketching with their non-dominant hands, sometimes developing a distinctive style for each hand. Sometimes people ask questions about conflicts in themselves with the dominant hand and allow the non-dominant hand to answer. It can be a little spooky at first to have some direct access to other parts of your personality than the one you know best, but the results of trying this are often very interesting and very revealing. Once I asked my left hand why I had so much trouble getting started on paper grading. Play a game of solitaire every time you finish five papers and I will let you grade.