How to use a spiral wheel gold concentrator. This video show using a gold wheel to clean gold concentrates from a prospecting trip to the Fraser river. The spiral wheel or spiral gold concentrator does a great job of reducing gold concentrates and cleaning up gold. Some people use it as a primary recovery method, but I find it much more effective as a secondary clean up tool. This video shows the use and setup of a spiral wheel. The questions; How to use a spiral wheel? and; How to set up a spir