You can buy clear Plastidip spray its basically a plasti dip clear coat and you spray it on like paint in the areas you want protected. Then when your done you just peel it off like tape. I have seen this used on the track on cars that cost $100k+. I saw it first on a McLaren MP4.
3M also has a new spray on clear bra called 3M Defender and its basically the same thing as a clear bra. Spray it on and its auto leveling so shouldn't have unevenness.