We finish implementing this approach in both Create and Edit. Note that some client side JavaScript is required to make this work. 0:00 multiselect.js for moving options back and forth 3:30 Bootstrap Grid System - intro 4:10 Rearrange the View so the Form contains the Grid 9:40 Add the List Boxes beside the other inputs 14:25 Grid system automatically rearranges for screen size 15:30 Demo why our JavaScript selects all options before submit