#### Bug, feature request, or proposal: I need 2 handles to a single slider something like in following screenshot  #### What is the expected behavior? We should be able to select min and max values from a single slider #### What is the current behavior? Currently I cannot see any such option to add second handle. #### What is the use-case or motivation for changing an existing behavior? This feature can help us to select min and maximum values from a single slider. #### Which versions of Angular, Material, OS, TypeScript, browsers are affected? Angular 6 #### Is there anything else we should know?