Successfully prewriting technique

honestly the only prewriting thing that I have used, and I am sure everyone else has used it as well, would be that bubble chart known as (clustering). when clustering you have your topic in the middle and from there would branch off your ideas that have to deal with that topic you have chosen. I have been using this skill since jr. high, it was really well and its a good starting point if you have no idea on what to right about, just start jotting down ideas.