Direct Connection Ducktail spoiler mounting ideas

I’ve finally decided to dedicate some time to mounting my Direct Connection spoiler.
Several ideas have floated around and not drilling holes in my deck lid is a goal. If I could get the spoiler dead nuts perfect I would bolt it on.
So, the idea I’m going with for now is magnetic application. I had several Horrible Fright magnets to employ. The base is a deck lid from a fellow FABO member.
I will be skinning the base and place the magnets in the skin. Coat the bottom side of the skin or apply double-sided tape, neoprene, silicone, etc.
It’s all baby steps here. The spoiler is pretty bad. It’s warped and bowed. I’m thinking about attaching the corners and working the fiberglass. I have never messed with fiberglass before so this could take months.
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