Jootsing is a clever way of finding out of the box solutions by first studying the system in which you operate.
A Bad Idea Brainstorm will loosen up even the timidest of participants. List the worst possible ideas to find surprisingly useful insights.
Sometimes it's more effective to go along with your adversary. Be like a martial arts master and use your opponent's force to get where you want to go.
The Dependency technique: Come up with new product-ideas by creatively linking characteristics.