As requested in this bounty https://civitai.com/bounties/384/cybermask-wearable-lora?imageId=
This is actually a very flexible model, weight from 0.5 to 0.9.
You can just enter the keyword and watch it generate random masks or you can get more specific.
Ninja mask or tactical mask-make it sleeker.
Gas mask - Makes the mask chunkier and more mechanical.
Cyborg mask- more robotic.
You can affect the colors of the mask.