Sometimes trying to convey how your product will work is hard. Especially if it is moving and has different states, i.e. lock or free components contacting or not. So to better show how your asseblies will move in the real world I suggest you use SOLIDWORKS Motion, available in SOLIDWORKS Premium and the Simulation packages. In this presentation, first shown at 3DEXPERIENCE World, you will be taken though the basics of SOLIDWORKS Motion and how to bring your assemblies to life https://r1132100503382-eu1-3dswym.3dexperience.3ds.com/#community:52/wiki:ih8Dw-yOTl6SWOGr4qtAQQ