With great hope, I cut a piece of the sheath and stuck it to the RJ-45 plug (I crimped a new one today) just below the locking tab, taking inspiration from the Sugru RJ-45 protector on Instructables.com. I don’t know where to get Sugru from. When I tried to plug it in, I realized that the LAN port on my laptop is upside down making the access to the locking tab extremely difficult. For other laptops, this sort of protection could be useful. If you use Wi-Fi, you are an idiot.