RE I Am The Pretty Sailor Tip: Selection apply to Mask Digital Painting

Sorry for re upload this VIDEO but, I m add the little tip to VIDEO. how to apply selection to mask folder. Sorry again hope you enjoy:) Working 6 Pic MacBook Pro 13, Wacom Intuos Size M, Photoshop CC Like My Fanpage NCS:Copyright Music Track1 Kontinuum Aware Track2 Krys Talk Fly Away (Mendum Remix) Track3 Umpire Collins Ave. (Original Mix) Track4 Vanze feat. Brenton Mattheus Forever Track5 Itro Kontinuum A