No need to over complicate matters. More dirt will take care of it if the lights are moved. I've had them stretch 6 inches and bury them an extra inch and turn out fineyeah, fill the pot all the way up. You could also use one of those fuzzy pipe cleaners, make a small hole in the rim of the pot, anchor the pipe cleaner to the pot and make a loop several times bigger than the stem. The bristles don't create pressure points on the stem. I use them to LST with.
I know, the THC in my brain had me designing some scaffolding out of pipe cleaners for additional support and weight distribution. Possibly a tiny rain gutter system for easy watering with a nice even moisture level.No need to over complicate matters. More dirt will take care of it if the lights are moved. I've had them stretch 6 inches and bury them an extra inch and turn out fine