I just got the fiber installed, took less than 10 minutes, excluding the replacement of phone port to Ethernet port.
Your always put it in a sheath and fix the sheath with whatever you want but the cable is free.
Putting the cable naked inside the wall is barbarian.
This? You've never seen this? https://www.homedepot.com/p/Briscon-1-in-x-1-2-in-Zinc-Plate...
I just got the fiber installed, took less than 10 minutes, excluding the replacement of phone port to Ethernet port.