Master the Matte Control tool to improve your masks.Fill holes, refine edges, relighting, and despill.
DaVinci Resolve and Fusion Courses:
https://vfxstudy.com
00:00 - Introduction
00:43 - Matte Control for Alpha Manipulations
02:42 - Using Effect & Garbage Masks
04:59 - Solid inside Mask
07:48 - Combining and Subtracting for Edge Masks
09:59 - Edge Mask for Color Correction & Relighting Example
11:41 - Edge Color Correction
14:20 - Despill