Still At It - Perhaps something like this product
Xpel Tracwrap Temporary Protection Film.
I've never used it myself, so no idea how accurate the claims in the web info are. Just something I found in a quick web search.*
Here's the
Installation/Removal Instructions PDF.
Reading the instructions, it's not likely reusable, so once removed, you would have to reapply new. May take longer than you want to spend when finished with a show and want to head home.
* There are likely other candidates, you just need to spend a little more search time to pin down something that will work for you.
