Here’s a scientific paper about it. :) https://medialibrary.uantwerpen.be/oldcontent/container11343/files/bonding_pla_with_salt_water_v20160713.pdf
A brine is a much cleaner solution than the usual advices of hairspray or tape. Just be careful not to put salt on your electronics.
I concur. /r/talesfromtechsupport was one of my few subreddits that were actually worth following. Thanks op!