Strain relief for socket, Zugentlastung, Alivio de tensión, Úleva od tahu

I strongly recommend to print it in TPU, rather too high temperature than too low.
Tapping screws are usually used for fastening.

I assume no liability for anything, use at your own risk!

image: Von Biezl - Eigenes Werk, Gemeinfrei, https://commons.wikimedia.org/w/index.php?curid=8526471